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Solutions- Chemistry

Total questions: 44

Worksheet time: 11hrs 0mins

Name
Class
Date
1.

True or false:

Dissolved particles will pass through a piece of filter paper.

a)

True

b)

False

2.

You begin with a solution of 400 grams of potassium chloride dissolved in 1250 mL of water. If the volume of water is increased by 33%, what is the final molarity of the solution?

a)

3.2 M

b)

4.3 M

c)

5400 M

d)

5.4 M

3.

If 400 mL of a 8.0 M solution is diluted to a molarity of 5.3M, about how much solvent volume was added?

a)

200 mL

b)

600 mL

c)

400 mL

d)

180 mL

4.
This solution would be considered
a)
Unsaturated
b)
Supersaturated
c)
Saturated
d)
Undefined
5.
The ___ is the thing being dissolved.
a)
solute
b)
solvent
c)
mixture
d)
suspension
6.

You and your friend have a contest to see who can make sweet iced tea the fastest. Which of the following would NOT help you win?

a)

Cooling the water

b)

Using smaller sugar crystals

c)

Heating the water

d)

Stirring quickly

7.
amount of solute that can dissolve in a given amount of solvent at a given temperature
a)
saturated solution
b)
solubility
c)
pure substance
d)
colloid
8.
what is the molarity of a solution that contains 125 g NaCl in 4.00 L of solution?
a)
0.535 M NaCl
b)
2.14 M NaCl
c)
8.56 M NaCl
d)
31.3 M NaCl
9.

What is the most common solvent in everyday life (universal solvent)?

a)

Ethanol

b)

Toluene

c)

Water

d)

Oils

10.

For most solids in water, how does temperature affect solubility?

a)

Solubility is not affected by temperature.

b)

Solubility decreases with an increase in temperature.

c)

Solubility increases with an increase in temperature.

11.
air is a 
a)
compound
b)
element
c)
heterogeneous mixture
d)
solution
12.

Which term describes a solution in which there is less than the maximum amount of solute dissolved for the given temperature?

a)

Unsaturated

b)

Saturated

c)

Concentrated

d)

Supersaturated

13.

What type of a solution is 60g NaNO3 at 40ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

14.

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.

15.

35.0 mL of a solution is diluted to a final volume of 62.0 mL. The diluted solution has a concentration of 1.65 mol/L. What was the concentration of the original solution?

a)

1.56 mol/L

b)

1.96 mol/L

c)

3.16 mol/L

d)

2.92 mol/L

16.

If more solvent is added to a solution:

a)

its molarity decreases

b)

its molarity increases

c)

it becomes more concentrated

d)

it will saturate out

17.
The thing that does the dissolving
a)
Solute
b)
Solvent
c)
Colloid
d)
Solution
18.

What is the percent by mass of a solution made by dissolving 20.0 g of NaCl into 180.0 g of water?

a)

10.0 %

b)

11.1 %

c)

80.0 %

d)

20.0 %

19.

What mass of water should be added to 22.0 g of KCl to make 5.50% by mass solution?

a)

400 g

b)

40 g

c)

0.25 g

d)

25 g

20.
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)
6 
21.

How does a solution become supersaturated?

a)

dissolve lots of solute in it.

b)

dissolve a little solute in it.

c)

dissolve more solute than you should be able to by heating it up then cooling it slowly

d)

dissolve a solvent in it.

22.
Solution where more solute can still be dissolved at the given temperature. 
a)
Saturated
b)
Unsaturated
c)
Mixture
d)
Homogeneous solution
23.
What does it mean to dilute a solution?
a)
lower the concentration of solute per solvent
b)
increase the concentration of solute per solvent
24.

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

25.
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
26.
How many grams of H3PO4 are in 175 mL of a 3.5 M solution of H3PO4?
a)
60
b)
4.9
c)
612
d)
20
27.

Al(OH)3

a)

Soluble

b)

Insoluble

28.

MgCO3

a)

Soluble

b)

Insoluble

29.

Na2SO4

a)

Soluble

b)

Insoluble

30.
In a gas to liquid mixture, an increase in temperature means...
a)
increase in solubility
b)
decrease in solubility
31.
In a solid to liquid mixture, an increase in temperature means...
a)
increase in solubility
b)
decrease in solubility
32.

Which substance is most soluble at 40 degrees Celsius?

a)

KCl

b)

KNO3

c)

NaCl

d)

NH3

33.

What type of a solution is 60g NaNO3 at 40ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

34.

Freezing point of electrolyte solution (makes ions when dissolved) is ____

a)

lower than non electrolyte ones

b)

the same as non electrolyte ones

c)

higher than non electrolyte ones

35.
The boiling point of a solution is ______ the boiling point of the pure solvent.
a)
higher than
b)
the same as
c)
lower than
d)
higher or lower than
36.

A beaker contains a dilute sodium chloride solution at 1 atmosphere. What happens to the number of solute particles in the solution and the boiling point of the solution, as more sodium chloride is dissolved?

a)

The number of solute particles increases, and the boiling point increases.

b)

The number of solute particles increases, and the boiling point decreases.

c)

The number of solute particles decreases, and the boiling point increases

d)

The number of solute particles decreases, and the boiling point decreases.

37.

What is the formula for iron(II) oxide?

a)

Fe2O

b)

FeO2

c)

FeO

d)

Fe2O3

38.

How much KNO3 solute is saturated at 40 degrees?

a)

75

b)

55

c)

65

d)

85

39.

How much Ce2(SO4)3 solute is saturated at 80 degrees?

a)

20

b)

15

c)

30

d)

2

40.

Which solute is MOST likely a gas?

a)

KNO3

b)

NaNO3

c)

KCl

d)

Ce2(SO4)3

41.

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

a)

62

b)

73

c)

81

d)

You cannot determine this

42.

What type of a solution is 60g NaNO3 at 40ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

43.

What type of a solution is 100g KNO3 at 40ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

44.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

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