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solution chemistry

Total questions: 31

Worksheet time: 1hrs 11mins

Name
Class
Date
1.
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
2.
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
3.
If I dissolve sugar in water, what is the solute?
a)
Water
b)
Hydrogen
c)
Sugar
d)
Carbon
4.
What is a solution that has the maximum amount of solute dissolved at a specific temperature and pressure?
a)
Supersaturated
b)
Saturated
c)
Unsaturated
d)
Undefined
5.
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 
6.
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
7.
This solution would be considered
a)
Unsaturated
b)
Supersaturated
c)
Saturated
d)
Undefined
8.
What is the molarity of a solution that contains 0.202 mol KCl in 7.98 L of solution
a)
0.0132 M KCl
b)
0.0253 M KCl
c)
0.459 M KCl
d)
1.36 M KCl
9.

A ______contains less solute than a saturated solution

a)

unsaturated solution

b)

saturated solution

c)

supersaturated solution

10.

A _______ contains the maximum amount of dissolved solute

a)

unsaturated solution

b)

supersaturated solution

c)

saturated solution

11.

When 10 grams of potassium chlorate, KClO3, is dissolved in 100 grams of water at 30 ºC, the solution can be correctly described as:

a)

supersaturated

b)

saturated

c)

unsaturated

12.
A solution of potassium chlorate, KClO3, has 20 grams of the salt dissolved in 100 grams of water at 70 ºC. Approximately how many more grams of the salt can be added to the solution before reaching the saturation point?
a)
10 grams
b)
30 grams
c)
80 grams
d)
60 grams 
13.

When 70 grams of KNO3 is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:

a)

supersaturated

b)

saturated

c)

unsaturated

14.
What is the molar concentration of a 100 mL aqueous solution that contains 1.00 g KCl?
a)
1.34 M KCl
b)
0.134 M KCl
c)
0.0134 M KCl
d)
0.00134 M KCl
15.
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
16.

A solution contains 3 moles of HCl in 6 L of solution. What is the molarity?

a)

0.5 M

b)

2 M

c)

18 M

d)

9 M

17.

100 mL of H2O can hold 25 g of NaCl. What is the solute?

a)

H2O

b)

NaCl

c)

100 mL

d)

25 g

e)

24 g

18.

100 mL of H2O can hold 25 g of NaCl. What is the solvent?

a)

H2O

b)

NaCl

c)

100 mL

d)

25 g

e)

24 g

19.

100 mL of H2O can hold 25 g of NaCl. What is an unsaturated solution?

a)

25 g H2O

b)

25 g NaCl

c)

100 mL H2O

d)

26 g NaCl

e)

24 g NaCl

20.
Which solute is the most soluble at 10 ⁰C?
a)
KI
b)
KClO3
c)
NH4Cl
d)
NH3
21.
Which solute does not increase in solubility as temperature rises?
a)
NH3
b)
NaNO3
c)
KNO3
d)
NaCl
22.
How many grams of SO2 can dissolve at 50 ⁰C?
a)
5 g
b)
10 g
c)
20 g
d)
39 g
23.

If 400 mL of a 8.0 M solution is diluted to a molarity of 5.3M, what is the end volume of solution?

a)

200 mL

b)

600 mL

c)

400 mL

d)

180 mL

24.

How many mL of a 2.0 M NaBr solution are needed to make 200 mL of 0.5 M NaBr?

a)

25 mL

b)

50 mL

c)

100 mL

d)

150 mL

25.

What is the number of moles in 0.250 L of a 0.4M solution?

a)

0.1 mol

b)

.16 mol

c)

0.62 mol

d)

1.6 mol

26.
Which substance is MOST soluble at 0 ºC?
a)
KI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
27.
Which solute is the least soluble at 90 ⁰C?
a)
SO2
b)
KClO3
c)
KI
d)
HCl
28.
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
29.
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
30.

100 mL of H2O can hold 25 g of NaCl. What is an supersaturated solution?

a)

25 g H2O

b)

25 g NaCl

c)

100 mL H2O

d)

26 g NaCl

e)

24 g NaCl

31.

100 mL of H2O can hold 25 g of NaCl. What is an saturated solution?

a)

25 g H2O

b)

24 g NaCl

c)

100 mL H2O

d)

26 g NaCl

e)

25 g NaCl

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