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Worksheets

Summer School Solution Exam Practice

Total questions: 208

Worksheet time: 9hrs 17mins

Name
Class
Date
1.

Which of the following is the Dilution Formula?

a)

V1M1 = V2M2

b)

M = m/V

c)

V = mT

d)

PV = nRT

2.

A dilution is when

a)

solute is added to the volume of solution

b)

water is added to the volume of solution

c)

solute is removed from the volume of solution

d)

water is removed from the volume of solution

3.

What volume, in milliliters, of 10.0 M NaOH is needed to prepare 300.0 mL of 2.00 M NaOH by dilution?

a)

0.067 mL

b)

60.0 mL

c)

100 mL

d)

125 mL

4.

What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250.0 mL?

a)

15.9 M

b)

0.636 M

c)

0.642 M

d)

1.59 M

5.
How many mL of 10.8M HCl are required to make 100.0 mL of 3.00M acid?
a)
27.8 mL
b)
27.78 mL
c)
2.8 mL
d)
278 mL
6.
What volume of 1.50 M KBr can be made from 15.6 mL of concentrated KBr with a molarity of 9.65 M?
a)
150. mL
b)
151 mL
c)
1.00 L
d)
100. mL
7.

If I have 340.0 mL of a 0.500 M NaBr solution, what will the concentration be if I add 560.0 mL more water to it? (Remember to use the total new volume)

a)

.188 M

b)

3.78 M

c)

.389 M

d)

1.76 M

8.

If I dilute 250 mL of 0.10 M lithium acetate solution to a volume of 750 mL, what will the concentration of this solution be?

a)

2 M

b)

0.02 M

c)

0.033 M

d)

0.08 M

9.

Which of the following is the Dilution Formula?

a)

V1M1 = V2M2

b)

M = m/V

c)

V = mT

d)

PV = nRT

10.

A dilution is when

a)

solute is added to the volume of solution

b)

water is added to the volume of solution

c)

solute is removed from the volume of solution

d)

water is removed from the volume of solution

11.

What volume, in milliliters, of 10.0 M NaOH is needed to prepare 300.0 mL of 2.00 M NaOH by dilution?

a)

0.067 mL

b)

60.0 mL

c)

100 mL

d)

125 mL

12.

What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250.0 mL?

a)

15.9 M

b)

0.636 M

c)

0.642 M

d)

1.59 M

13.
How many mL of 10.8M HCl are required to make 100.0 mL of 3.00M acid?
a)
27.8 mL
b)
27.78 mL
c)
2.8 mL
d)
278 mL
14.
What volume of 1.50 M KBr can be made from 15.6 mL of concentrated KBr with a molarity of 9.65 M?
a)
150. mL
b)
151 mL
c)
1.00 L
d)
100. mL
15.

If I have 340.0 mL of a 0.500 M NaBr solution, what will the concentration be if I add 560.0 mL more water to it? (Remember to use the total new volume)

a)

.188 M

b)

3.78 M

c)

.389 M

d)

1.76 M

16.

If I dilute 250 mL of 0.10 M lithium acetate solution to a volume of 750 mL, what will the concentration of this solution be?

a)

2 M

b)

0.02 M

c)

0.033 M

d)

0.08 M

17.
What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250. mL?
a)
15.9 M
b)
0.636 M
c)
0.642 M
d)
1.59 M
18.

125.0 mL of 2.00 M calcium hydroxide solution is diluted to a concentration of 1.50 M. How many mL of water was added to the original volume?

a)

167 mL

b)

42.0 mL

c)

93.8 mL

d)

0.0240 mL

19.

When you make a dilution, which of these values remains constant?

a)

The molarity (M)

b)

The total moles of solute

c)

The volume (V)

d)

The concentration

20.

How do we make a dilution?

a)

Add more solute

b)

Remove solute

c)

Remove solvent

d)

Add more solvent

21.

When you make a dilution, which of these values remains constant?

a)

The molarity (M)

b)

The total moles of solute

c)

The volume (V)

d)

The concentration

22.

How do we make a dilution?

a)

Add more solute

b)

Remove solute

c)

Remove solvent

d)

Add more solvent

23.

As we dilute a solution.....

a)

The volume increases and the molarity (M) increases

b)

The volume increases and the molarity (M) decreases

c)

The volume decreases and the molarity (M) increases

d)

The volume decreases and the molarity (M) decreases

24.

How many mL of stock solution of 2M NaCl do you need to prepare 100 mL of 0.150M NaCl?

a)

7.5 mL

b)

15 mL

c)

1333 mL

d)

200 mL

25.

How many mL of 1.0M KBr solution would you need to prepare 250 mL of a 0.2M dilution?

a)

175 mL

b)

250 mL

c)

50 mL

d)

5 mL

26.

What would the molarity of a solution be if you took 10 mL of a 13M stock solution and made a 300 mL solution?

a)

390M

b)

230M

c)

0.43M

d)

0.26M

27.

The definition of a stock solution is ...

a)

a highly concentrated solution that is meant to be diluted to some lower concentration.

b)

moles of solute divided by liters of solvent

c)

a solution used to make soup and is usually either chicken or beef flavor

d)

a solution with less dissolved solute than a dilute solution.

28.

Which of the following is the Dilution Formula?

a)

V1M1 = V2M2

b)

M = m/V

c)

V = mT

d)

PV = nRT

29.

A dilution is when

a)

solute is added to the volume of solution

b)

water is added to the volume of solution

c)

solute is removed from the volume of solution

d)

water is removed from the volume of solution

30.

What volume, in milliliters, of 10.0 M NaOH is needed to prepare 300.0 mL of 2.00 M NaOH by dilution?

a)

0.067 mL

b)

60.0 mL

c)

100 mL

d)

125 mL

31.

What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250.0 mL?

a)

15.9 M

b)

0.636 M

c)

0.642 M

d)

1.59 M

32.
How many mL of 10.8M HCl are required to make 100.0 mL of 3.00M acid?
a)
27.8 mL
b)
27.78 mL
c)
2.8 mL
d)
278 mL
33.
What volume of 1.50 M KBr can be made from 15.6 mL of concentrated KBr with a molarity of 9.65 M?
a)
150. mL
b)
151 mL
c)
1.00 L
d)
100. mL
34.

If I have 340.0 mL of a 0.500 M NaBr solution, what will the concentration be if I add 560.0 mL more water to it? (Remember to use the total new volume)

a)

.188 M

b)

3.78 M

c)

.389 M

d)

1.76 M

35.

If I dilute 250 mL of 0.10 M lithium acetate solution to a volume of 750 mL, what will the concentration of this solution be?

a)

2 M

b)

0.02 M

c)

0.033 M

d)

0.08 M

36.
What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250. mL?
a)
15.9 M
b)
0.636 M
c)
0.642 M
d)
1.59 M
37.

125.0 mL of 2.00 M calcium hydroxide solution is diluted to a concentration of 1.50 M. How many mL of water was added to the original volume?

a)

167 mL

b)

42.0 mL

c)

93.8 mL

d)

0.0240 mL

38.

The term molar, which describes a solution's concentration, is written as?

a)

M

b)

mol

c)

g

d)

g/L

39.
What does it mean to dilute a solution?
a)
lower the concentration of solute per solvent
b)
increase the concentration of solute per solvent
40.
You can make a solution more concentrated by adding __________.
a)
solute
b)
solvent
c)
water
41.

The term molar, which describes a solution's concentration, is written as?

a)

M

b)

mol

c)

g

d)

g/L

42.

You need to make 200 mL of a 0.20 M aqueous solution of sodium chloride. The only available solution is 1.0 M. Determine how to make the needed dilution.

a)

Add 160 mL to the initial volume

b)

Add 160 grams to the initial volume

c)

Evaporate 160 mL from the initial volume

d)

the experiment cannot be conducted with the materials provided

43.

A dilution is when

a)

solute is added to the volume of stock solution

b)

water is added to the volume of stock solution

c)

solute is removed from the volume of stock solution

d)

water is removed from the volume of stock solution

44.

Calculate the Molarity in a solution containing 40.0 g of NaCl dissolved in 500.0 ml of H2O.

a)

0.08 M

b)

12.5 M

c)

1.37 M

d)

0.74 M

45.

Calculate the grams of NaOH present in 10.0 mL of a 2.0 M NaOH solution.

a)

0.8 grams

b)

2000 grams

c)

0.3 grams

d)

5 grams

46.

Molarity is ...

a)

grams of solute/deciliters of solvent.

b)

grams of solute/liters of solution.

c)

moles of solute/liters of solution.

d)

moles of solute/milliliters of solvent.

47.

A solution is made by dissolving 0.50 mole of NaCl in enough water to give a final volume of 400.0 mL. What is the molarity of the solution?

a)

0.10 M

b)

0.40 M

c)

1.25 M

d)

2.33 M

48.

The definition of a stock solution is ...

a)

a highly concentrated solution that is meant to be diluted to some lower concentration.

b)

moles of solute divided by liters of solvent

c)

a solution used to make soup and is usually either chicken or beef flavor

d)

a solution with less dissolved solute than a dilute solution.

49.

A 0.500 M solution of NaOH, which contains 0.750 mole of solute, would have a volume, in milliliters

a)

0.667 mL

b)

1200 mL

c)

1500 mL

d)

2100 mL

50.

What volume, in milliliters, of 10.0 M NaOH is needed to prepare 300 mL of 2.00 M NaOH by dilution?

a)

0.067 mL

b)

60.0 mL

c)

100 mL

d)

125 mL

51.

If 0.775 L of 1.00 M NaOH is diluted to 1.00 L, the resulting solution contains

a)

0.225 mol NaOH

b)

0.775 mol NaOH

c)

1.25 mol NaOH

d)

2.45 mol NaOH

52.

Calculate the volume of a 5M solution that contains 10 moles of NaOH

a)

0.5 L

b)

1 L

c)

2 L

d)

4 L

53.

What is a concentrated solution?

a)

a solution that has a large amount of solute in a large volume of solvent

b)

a solution that has an equal amount of solute in the same volume of solvent

c)

a solution that has a small amount of solute in a large volume of solvent

d)

a solution that has a large amount of solute in a small volume of solvent

54.

Which of the following solutions has a molarity of 2.0?

a)

0.050 mole of solute in 0.0250 L of solution

b)

2.0 moles of solute in 0.5000 L of solution

c)

3.0 moles of solute in 1.5000 L of solution

d)

none of the above

55.

Calculate the moles in 1500 mL of a 2 M solution of BaI2

a)

1.33 moles

b)

2.25 moles

c)

3.00 moles

d)

3000 moles

56.

What is the molarity of a 0.5L sample of a solution that contains 60.0 g of sodium hydroxide (NaOH)

a)

0.8 M

b)

1.5M

c)

3.0M

d)

6.0M

57.

A student is preparing solutions for a laboratory experiment by dissolving solid solutes in liquid solvents. Which action will increase the rate of solubility

a)

lowering the temperature of the solvent

b)

stirring the solute in the solution

c)

increasing the pressure on the solution

d)

increasing the particle size of the solute

58.

Which of the following types of solutions has more room to dissolve solute?

a)

supersaturated

b)

saturated

c)

unsaturated

59.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
60.
Another name for a homogeneous mixture is 
a)
an element.
b)
a solution.
c)
a compound.
61.

What is the molarity of a solution containing 4 moles of KCl in 2.5 L of solution?

a)

1.6 M

b)

0.63 M

c)

10 M

d)

2.6 M

62.

What is the molarity of a solution containing 4 moles of KCl in 2.5 L of solution?

a)

1.6 M

b)

0.63 M

c)

10 M

d)

2.6 M

63.

What volume is needed to make a 2.45 M solution of KCl using 0.50 mol of KCl?

a)

4.9 L

b)

0.20 L

c)

1.2 L

64.

How many moles of NaCl are needed to make 5.25 L of a 0.25 M solution?

a)

1.3 mol

b)

21 mol

c)

0.048 mol

65.

How many grams of KCl would be dissolved in 5.50 L of a 0.250 M solution of KCl? *molar mass of KCl = 74.55 g/mol*

a)

1.48 g

b)

103 g

c)

1640 g

d)

3.39 g

66.

What is the molarity of a solution made by adding 1.565 moles of PbNO3 to 0.5 L?

a)

300. M

b)

31.3 M

c)

3.13 M

d)

1.56 M

67.

Which solution is more concentrated?

Solution 1:

500 mL of water

100 g of salt


Solution 2:

500 mL of water

90 g of salt

a)

Solution 1

b)

Solution 2

c)

They have the same concentration

d)

I have no idea

68.

Which solution is more diluted?

Solution 1:

1000 mL of water

60g of salt


Solution 2:

500 mL of water

60 g of salt

a)

Not enough information to tell

b)

Solution 1

c)

Solution 2

d)

They are equally diluted

69.
What is the molarity of 4 grams of sodium chloride in 3,800 mL of solution?
a)
0.018 M
b)
0.018 mol
c)
1.052 M
d)
1.052 mol
70.
What is the molarity of a solution which contains 22.41 grams of NaCl in 50.0 mL of solution?
a)
0.488 M
b)
7.67 mol
c)
7.67 M
d)
0.00767 M
71.
The concentration of a mixture can be increased in which of the following ways?
a)
Heating the mixture
b)
Adding more water “solvent”
c)
Adding more powder “solute”
d)
Stirring the mixture
72.
How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?
a)
0.625 g NaCl
b)
625 g NaCl
c)
36.5 g NaCl
d)
0.04 mol NaCl
73.

Molarity is measured in _____.

a)

moles per g.

b)

mols per L.

c)

moles per mm.

d)

moles per mL.

74.
What is the molarity of 2.5 mol of NaOH in 12.0 L of solution?
a)
0.21 M
b)
30 M
c)
4.8 M
d)
20.8 M
75.
How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL?
a)
1074 mol
b)
0.069 mol
c)
1.07 mol
d)
62.7 mol
76.
How many moles are needed to make 2.5 L of a 3.8 M solution? 
a)
9.5 mol
b)
0.66 mol
c)
1.5 mol
d)
15 mol
77.

To prepare 1M of NaOH in 1L of solution, you will need a mass of ______g NaOH

a)

23g

b)

40g

c)

4g

d)

39g

78.

0.25 L contains 0.4 mol NaOH. Find its molarity.

a)

0.1M

b)

1.6M

c)

0.4M

d)

0.625M

79.
What is the molarity of 3 mole of hydrochloric acid in 3 L of water. 
a)
3
b)
1
c)
6
d)
9
80.
What is the molarity of 4 grams of sodium chloride in 3,800 mL of solution?
a)
0.018 M
b)
0.018 mol
c)
1.052 M
d)
1.052 mol
81.
The ___ is the thing being dissolved
a)
solute
b)
solvent
82.
True or false? Insoluble means that two substances can dissolve in one another.
a)
true
b)
false
83.
Which sweet tea would you expect to taste the sweetest?
a)
1M
b)
3M
c)
3.1M
d)
2.5M
84.
What is the formula for molarity?
a)
moles/grams
b)
moles/kilograms
c)
moles/milliliters
d)
moles/liters
85.
Molarity is measured in
a)
moles per kg
b)
mols per L
c)
moles per kJ
d)
moles per mL
86.
How many L are required to make 3.5 M hydrochloric acid using 1.1 moles? 
a)
3.18 L
b)
0.31 L
c)
3.85 L
d)
4.6 L
87.
If you have 0.045 L of 0.465 M potassium bromide. How many moles of potassium bromide are present?
a)
20.9 mol
b)
0.021 mol
c)
0.02 mol
d)
0.0209 mol
88.
What is the molarity in 650. ml of solution containing 63 grams of sodium chloride?
a)
2.4 M
b)
0.86 M
c)
1.7 M
d)
0.54 M
89.
How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide? 
a)
2
b)
3
c)
4
d)
90.
What is the molarity of 4 g of NaCl (MM=58.45) in 3,800 mL of solution?
a)
0.018 M
b)
0.0011 M
c)
1.052 M
d)
0.062 M
91.
How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl (MM = 58.45)?
a)
0.625 g NaCl
b)
625 g NaCl
c)
36.5 g NaCl
d)
0.04 mol NaCl
92.
Find the molarity of 186.55 g of sucrose, C12H22O11 (MM = 342) in 250 mL of water.
a)
2.18 M
b)
0.746 M
c)
1.18 M
d)
0.545 M
93.
How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of 125 mL?
a)
1074 mol
b)
0.069 mol
c)
1.07 mol
d)
62.7 mol
94.
Which sweet tea would you expect to taste the sweetest?
a)
1M
b)
3M
c)
3.1M
d)
2.5M
95.
True or False? The higher the concentration of a solution the less solutes it has in it.
a)
True
b)
False
96.
How many grams of AgNO3 (MM = 169.87) are needed to prepare 0.125M solution in 250 mL of water? 
a)
.03g
b)
0.5g
c)
5.3g
d)
84.9g
97.
Which of the following has the most NaCl (MM = 58.44)?
a)
100 mL of a 1.8 M solution
b)
50 mL of a 4.1 M solution
c)
9.35 grams
d)
1 mole
98.
What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250 mL?
a)
15.9 M
b)
0.636 M
c)
0.642 M
d)
1.59 M
99.
How many mL of 10.8M HCl are required to make 100.0 mL of 3.00M acid?
a)
27.8 mL
b)
27.78 mL
c)
2.8 mL
d)
278 mL
100.
Calculate the molarity of the following solution:  1.0 mole of KCl in 750.0 mL of solution.
a)
0.750 M
b)
99 M
c)
1.3 M
d)
2.0 M
101.
What volume of 1.50 M KBr can be made from 15.6 mL of concentrated KBr with a molarity of 9.65 M?
a)
150. mL
b)
151 mL
c)
1.00 L
d)
100. mL
102.
What is the molarity of a solution made by adding 1.565 moles of PbNO3 to 500 mL?
a)
300. M
b)
31.3 M
c)
3.13 M
d)
1.56 M
103.
How many moles are needed to make 2.5 L of a 3.8 M solution? 
a)
9.5 mol
b)
0.66 mol
c)
1.5 mol
d)
15 mol
104.

The ________ is the substance that becomes dissolved in a solution (the lesser quantity)

a)

Solvent

b)

Solute

c)

Dipole

105.

A __________ solution is one that no more solute can be dissolved in the solvent

a)

Unsaturated

b)

Saturated

c)

Supersaturated

106.

A __________ solution is one that no more solute can be dissolved in the solvent

a)

Unsaturated

b)

Saturated

c)

Supersaturated

107.

Two liquids that are completely soluble in one another are said to be ___________.

a)

Miscible

b)

Immiscible

c)

Saturated

108.

Generally, the solubility of a solid _________ as temperature increases

a)

Decreases

b)

Increases

c)

Remains constant

109.

The parts of a solution are the

a)

Salt and vapor

b)

Solvent and solid

c)

Solute and water

d)

Solute and solvent

110.

In a solution, the solute is the substance that

a)

Dissolves in the solvent

b)

Is in the greatest quantity

c)

Is the liquid

d)

Is a solid

111.

Which of the following is a factor that affects the rate of dissolving?

a)

rate of solubility

b)

pressure

c)

conductivity

d)

surface area

112.

The maximum amount of a substance that is dissolved in a given solution at a constant temperature

a)

Concentration

b)

Solubility

c)

Polarity

d)

Saturation point

113.

A solution of KCl and water that has more KCl than it can handle at a given temperature is determined to be _________.

a)

Saturated

b)

Unsaturated

c)

Supersaturated

114.

Heating a solvent _______ the energy of its particles, making them move faster on average, and ________ the rate at which a solid solute can dissolve in the solvent.

a)

increases, increases

b)

increases, decreases

c)

decreases, decreases

d)

decreases, increases

115.

Temperature _____________ the solubility of a solid; Temperature _____________ the solubility of a gas.

a)

increase, increase

b)

increase, decrease

c)

decrease, decrease

d)

decrease, increase

116.

Which substance is considered a homogeneous mixture?

a)

KBr(s)

b)

NaCl(s)

c)

LiNO3(aq)

d)

H2O(l)

117.

How many grams of NH4Cl(s) must dissolve in 100 g of water at 90 °C to form a saturated solution?

a)

81 g

b)

77 g

c)

68 g

d)

72 g

118.

Which term correctly describes an aqueous solution of potassium chloride, KCl?

a)

water is the solute, KCl is the solvent

b)

KCl is the solute, water is the solvent

c)

NaBr is the solute, water is the solvent

d)

water is the solute, NaBr is the solvent

119.

Determine the mass of KNO3 in grams needed to form a saturated solution in 400 g of water at 50 °C.

a)

336 g

b)

84 g

c)

350 g

d)

88 g

120.

An saturated solution containing NaNO3 dissolved in 100 g of water at 40 °C is cooled to 10 °C. How many grams of NaNO3 will precipitate out of the solution?

a)

35 g

b)

80 g

c)

26 g

d)

40 g

121.

An unsaturated solution is created by dissolving 20 g of KClO3 into 100 g of water at 70 °C. How many more grams of KClO3 must be dissolved in order to saturate this solution?

a)

16 g

b)

24 g

c)

20 g

d)

10 g

122.

According to Table G which solution is a gas?

a)

KCl

b)

KI

c)

HCl

d)

NaCl

123.

What mass of SO2 must dissolve in 50 g of water at 10 °C in order to form a saturated solution?

a)

16 g

b)

8 g

c)

32 g

d)

20 g

124.

Which solute is insoluble in water?

a)

NaBr

b)

NH4Cl

c)

MgCO3

d)

Li3PO4

125.

Which solute would form the most concentrated solution when dissolved in water?

a)

AgBr

b)

Al2(CrO4)3

c)

Na2S

d)

Be(OH)2

126.

Which choice is an example of a supersaturated solution in 100 g of water?

a)

90 g of NH4Cl at 90 °C

b)

5 g of SO2 at 40 °C

c)

100 g of KI at 10 °C

d)

13 g of NH3 at 80 °C

127.

What is the maximum mass of KI that can dissolve in 100 g of water at 20 °C to form a saturated solution?

a)

105 g

b)

145 g

c)

90 g

d)

110 g

128.

Which solution is most soluble in 100 g of water at 50 °C?

a)

KNO3

b)

KCl

c)

SO2

d)

NaCl

129.

Which statement correctly describes an aqueous solution of sodium chloride, NaCl?

a)

homogeneous and can be separated by filtration

b)

heterogeneous and can be separated by filtration

c)

homogeneous and cannot be separated by filtration

d)

heterogeneous and cannot be separated by filtration

130.

Which solute would dissolve in water to form the least concentrated solution?

a)

NaCl

b)

KBr

c)

LiI

d)

PbBr2

131.

How many grams of NaCl must dissolve in 100 g of water at 60 °C to form a saturated solution?

a)

44 g

b)

20 g

c)

38 g

d)

35 g

132.

What must be the temperature of 100 g of water in order for 70 g of NH4Cl to dissolve to form a saturated solution?

a)

86 °C

b)

81 °C

c)

90 °C

d)

95 °C

133.

Which term correctly describes a solution formed by dissolving 30 g of KCl in 100 g of water at 80 °C?

a)

unsaturated

b)

saturated

c)

supersaturated?

134.

Which solute is most soluble in water?

a)

CaS

b)

Mg(OH)2

c)

PbI2

d)

KNO3

135.

Which solute would form the least concentrated aqueous solution?

a)

NaCl

b)

NH4C2H3O2

c)

Ba3(PO4)2

d)

Li2O

136.

How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?

a)

83 grams

b)

75 grams

c)

40 grams

d)

12 grams

137.

Which substance is MOST soluble at 0 ºC?

a)

KI

b)

NaNO3

c)

NaCl

d)

Ce2(SO4)3

138.
Which solute is the most soluble at 10 ⁰C?
a)
KI
b)
KClO3
c)
NH4Cl
d)
NH3
139.
Which solute is the least soluble at 90 ⁰C?
a)
SO2
b)
KClO3
c)
KI
d)
HCl
140.
When 20 grams of potassium chlorate, KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:
a)
supersaturated
b)
saturated
c)
unsaturated
141.
When 20 grams of KNO3 is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:
a)
supersaturated
b)
saturated
c)
unsaturated
142.
When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:
a)
supersaturated
b)
unsaturated
c)
saturated
143.

When 42 grams of potassium chloride ( KCl), is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

a)

supersaturated

b)

saturated

c)

unsaturated

144.

How many grams of CaCl2, are soluble in 100 g of water at approximately 17 ºC?

a)

58 grams

b)

70 grams

c)

0 grams

d)

12 grams

145.

In a solution, the part of the mixture in which other substance are dissolved

a)

Strainer

b)

Solvent

c)

Solute

d)

Magnetism

146.

The substance which dissolved in the solvent

a)

Dissolve

b)

Solubility

c)

Solvent

d)

Solute

147.
Which of these solutes does not increase in solubility as temperature rises?
a)
NH3
b)
NaNO3
c)
KNO3
d)
NaCl
148.

People often put sugar in their tea to make it sweet. Under what condition will the sugar dissolve the fastest?

a)

When the tea is cold.

b)

When the tea is hot.

c)

When the tea is dark.

d)

When the tea is in a tall glass.

149.
What is a solvent?
a)
The substance that does the dissolving in a solution.
b)
The substance that is being dissolved in a solution.
c)
The mixing of different substances.
d)
The process in which neutral molecules lose or gain electrons
150.
Kool-Aid - Powder, sugar, and water
Identify the solvent 
a)
water
b)
powder
c)
sugar
d)
powder and sugar
151.

Which solute is the most soluble at 10 ⁰C?

a)

KI

b)

NH3

c)

KClO3

d)

NH4Cl

152.

How many grams of SO2 can dissolve at 50 ⁰C?

a)

5 g

b)

10 g

c)

20 g

d)

39 g

153.

What is the maximum temperature where at least 60 g of HCl can dissolve?

a)

35 ⁰C

b)

45 ⁰C

c)

55 ⁰C

d)

65 ⁰C

154.

Which salt is LEAST soluble at 0 ºC?

a)

KNO3

b)

Ce2(SO4)3

c)

K2Cr2O7

d)

KClO3

155.

What solution has the highest solubility at 20 C?

a)

CaCl3

b)

NaNo3

c)

KCl

d)

KNO3

156.

When 20 grams of KNO₃ is disolved in water that's 80 C, it can be described as

a)

Unsaturated

b)

Saturated

c)

Supersaturated

157.

How many grams of K2Cr2O7, are able to disolve at 95 ºC?

a)

63

b)

75

c)

12

d)

83

158.

At what temperature does the solubility of NaCl, match the solubility of K2Cr2O7?

a)

60

b)

30

c)

83

d)

50

159.
How does a solution become supersaturated?
a)
dissolve lots of solvent in it.
b)
dissolve a little solute in it. 
c)
dissolve more solute than you should be able to. 
d)
dissolve a super amount of solvent in it. 
160.

How do you know when you have a saturated solution?

a)

You don't see anymore material in the solution. It has dissolved.

b)

The material dissolves and no more will dissolve because you see it collect at the bottom.

c)

The solution is bubbling and cloudy.

d)

The solution is clear and there is nothing at the bottom.

161.
When 20 grams of potassium chlorate, KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:
a)
supersaturated
b)
saturated
c)
unsaturated
162.

You are given a small beaker of solution at room temp. You add a bit of solute to the solution and it dissolves. The solution was:

a)

saturated

b)

unsaturated

c)

concentrated

d)

warm

163.

Using the supplied solubility curve diagram, determine the temperature at which KNO3 and NH4Cl have the same solubility.

a)

16°C

b)

39°C

c)

25°C

d)

73°C

164.

Using the supplied solubility curve diagram, determine what type of solution would be present if 50 grams of NH3 was dissolved in 100 grams of water at 30°C.

a)

saturated

b)

unsaturated

c)

supersaturated

165.

When 20 grams of KNO₃ is disolved in water that's 80 C, it can be described as

a)

Unsaturated

b)

Saturated

c)

Supersaturated

166.

What solution has the highest solubility at 20 C?

a)

CaCl3

b)

NaNo3

c)

KCl

d)

KNO3

167.

At what temperature does the solubility of NaCl, match the solubility of K2Cr2O7?

a)

60

b)

30

c)

83

d)

50

168.

How many grams of K2Cr2O7, are able to disolve at 95 ºC?

a)

63

b)

75

c)

12

d)

83

169.

Which is the most soluble at 0 C?

a)

Water

b)

NaCl

c)

NaNo3

d)

Kl

170.

Which solute does not increase in solubility as the temurature increases?

a)

NaCl

b)

SO2

c)

KClO3

d)

KNO3

171.

When 20 grams of KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be described as

a)

Saturated

b)

Unsaturated

c)

Supersaturated

d)

None

172.

When 50 grams of KCl is dissolved at 50 ºC, the solution can be described as

a)

Supersaturated

b)

Unsaturated

c)

Saturated.

d)

None

173.

When 40 grams of KCl is dissolved at 50 ºC, the solution can be described as

a)

Saturated

b)

Supersaturated

c)

Unsaturated

d)

None

174.

When 20 grams of KNO3 is dissolved at 80 ºC, the solution can be described as

a)

Saturated

b)

Unsaturated

c)

Supersaturated

d)

None

175.

When 20 grams of KNO₃ is disolved in water that's 80 C, it can be described as

a)

Unsaturated

b)

Saturated

c)

Supersaturated

176.

What solution has the highest solubility at 20 C?

a)

CaCl3

b)

NaNo3

c)

KCl

d)

KNO3

177.

At what temperature does the solubility of NaCl, match the solubility of K2Cr2O7?

a)

60

b)

30

c)

83

d)

50

178.

How many grams of K2Cr2O7, are able to disolve at 95 ºC?

a)

63

b)

75

c)

12

d)

83

179.

Which is the most soluble at 0 C?

a)

Water

b)

NaCl

c)

NaNo3

d)

Kl

180.

Which solute does not increase in solubility as the temurature increases?

a)

NaCl

b)

SO2

c)

KClO3

d)

KNO3

181.

When 20 grams of KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be described as

a)

Saturated

b)

Unsaturated

c)

Supersaturated

d)

None

182.

When 50 grams of KCl is dissolved at 50 ºC, the solution can be described as

a)

Supersaturated

b)

Unsaturated

c)

Saturated.

d)

None

183.

When 40 grams of KCl is dissolved at 50 ºC, the solution can be described as

a)

Saturated

b)

Supersaturated

c)

Unsaturated

d)

None

184.

When 20 grams of KNO3 is dissolved at 80 ºC, the solution can be described as

a)

Saturated

b)

Unsaturated

c)

Supersaturated

d)

None

185.
At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K2Cr2O7?
a)
60 ºC
b)
30 ºC
c)
50 ºC
d)
83 ºC
186.
How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?
a)
83 grams
b)
75 grams
c)
40 grams
d)
12 grams
187.
Which substance is MOST soluble at 0 ºC?
a)
KI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
188.
When 20 grams of potassium chlorate, KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:
a)
supersaturated
b)
saturated
c)
unsaturated
189.
When 50 grams of KCl is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:
a)
supersaturated
b)
unsaturated
c)
saturated
190.
When 42 grams of potassium chloride, is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:
a)
supersaturated
b)
saturated
c)
unsaturated
191.

At what temperature does the solubility of NaCl, match the solubility of K2Cr2O7?

a)

60

b)

30

c)

83

d)

50

192.

Which solute does not increase in solubility as the temurature increases?

a)

NaCl

b)

SO2

c)

KClO3

d)

KNO3

193.

When 40 grams of KCl is dissolved at 50 ºC, the solution can be described as

a)

Saturated

b)

Supersaturated

c)

Unsaturated

d)

None

194.

When 20 grams of KNO3 is dissolved at 80 ºC, the solution can be described as

a)

Saturated

b)

Unsaturated

c)

Supersaturated

d)

None

195.

How many grams of SO2 can dissolve at 50 ⁰C?

a)

5 g

b)

10 g

c)

20 g

d)

39 g

196.

What is the maximum temperature where at least 60 g of HCl can dissolve?

a)

35 ⁰C

b)

45 ⁰C

c)

55 ⁰C

d)

65 ⁰C

197.

Which salt is LEAST soluble at 0 ºC?

a)

KNO3

b)

Ce2(SO4)3

c)

K2Cr2O7

d)

KClO3

198.

How much KNO3 solute is saturated at 40 degrees?

a)

75

b)

55

c)

65

d)

85

199.

How much C12H22O11 solute is saturated at 40 degrees?

a)

240

b)

220

c)

230

d)

250

200.

Which solute is MOST likely a gas?

a)

KNO3

b)

NaNO3

c)

KCl

d)

Ce2(SO4)3

201.

At what temperature can you fully dissolve 140g of NaNO3?

a)

62

b)

73

c)

81

d)

You cannot determine this

202.

What type of a solution is 260g sugar at 50ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

203.

What type of a solution is 25g NaCl at 70ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

204.
Which solute is the most soluble at 10 ⁰C?
a)
KI
b)
KClO3
c)
NH4Cl
d)
NH3
205.
Which solute is the least soluble at 90 ⁰C?
a)
SO2
b)
KClO3
c)
KI
d)
HCl
206.
Which of these solutes does not increase in solubility as temperature rises?
a)
NH3
b)
NaNO3
c)
KNO3
d)
NaCl
207.
What conclusion can be made using this solubility curve?
a)
Decreasing temperatures always increases solubility 
b)
Increasing temperatures always increases solubility
c)
Increasing temperatures usually increases solubility
d)
Temperature has no affect on solubility
208.

At what temperature can you fully dissolve 120g of NaBr?

a)

70

b)

20

c)

100

d)

You cannot determine this