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Solubility Curve

Total questions: 170

Worksheet time: 3hrs 0mins

Name
Class
Date
1.

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

2.

Which substance is MOST soluble at 0 ºC?

a)

KI

b)

NaNO3

c)

NaCl

d)

Ce2(SO4)3

3.
Which solute is the most soluble at 10 ⁰C?
a)
KI
b)
KClO3
c)
NH4Cl
d)
NH3
4.
Which solute is the least soluble at 90 ⁰C?
a)
SO2
b)
KClO3
c)
KI
d)
HCl
5.
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
6.
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
7.
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
8.

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

9.

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

10.

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

a)

Strainer

b)

Solvent

c)

Solute

d)

Magnetism

11.

The substance which dissolved in the solvent

a)

Dissolve

b)

Solubility

c)

Solvent

d)

Solute

12.
Which of these solutes does not increase in solubility as temperature rises?
a)
NH3
b)
NaNO3
c)
KNO3
d)
NaCl
13.

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.

14.
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
15.
Kool-Aid - Powder, sugar, and water
Identify the solvent 
a)
water
b)
powder
c)
sugar
d)
powder and sugar
16.

Which solute is the most soluble at 10 ⁰C?

a)

KI

b)

NH3

c)

KClO3

d)

NH4Cl

17.

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

a)

5 g

b)

10 g

c)

20 g

d)

39 g

18.

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

19.

Which salt is LEAST soluble at 0 ºC?

a)

KNO3

b)

Ce2(SO4)3

c)

K2Cr2O7

d)

KClO3

20.

What solution has the highest solubility at 20 C?

a)

CaCl3

b)

NaNo3

c)

KCl

d)

KNO3

21.

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

a)

Unsaturated

b)

Saturated

c)

Supersaturated

22.

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

a)

63

b)

75

c)

12

d)

83

23.

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

a)

60

b)

30

c)

83

d)

50

24.
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. 
25.

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.

26.
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
27.

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

28.

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

29.

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

30.

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

a)

Unsaturated

b)

Saturated

c)

Supersaturated

31.

What solution has the highest solubility at 20 C?

a)

CaCl3

b)

NaNo3

c)

KCl

d)

KNO3

32.

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

a)

60

b)

30

c)

83

d)

50

33.

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

a)

63

b)

75

c)

12

d)

83

34.

Which is the most soluble at 0 C?

a)

Water

b)

NaCl

c)

NaNo3

d)

Kl

35.

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

a)

NaCl

b)

SO2

c)

KClO3

d)

KNO3

36.

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

37.

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

a)

Supersaturated

b)

Unsaturated

c)

Saturated.

d)

None

38.

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

a)

Saturated

b)

Supersaturated

c)

Unsaturated

d)

None

39.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

d)

None

40.
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
41.
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. 
42.
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
43.
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
44.
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
45.
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
46.
Which substance is MOST soluble at 0 ºC?
a)
KI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
47.
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
48.
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
49.
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
50.

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

a)

60

b)

30

c)

83

d)

50

51.

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

a)

NaCl

b)

SO2

c)

KClO3

d)

KNO3

52.

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

a)

Saturated

b)

Supersaturated

c)

Unsaturated

d)

None

53.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

d)

None

54.

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

a)

5 g

b)

10 g

c)

20 g

d)

39 g

55.

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

56.

Which salt is LEAST soluble at 0 ºC?

a)

KNO3

b)

Ce2(SO4)3

c)

K2Cr2O7

d)

KClO3

57.

How much KNO3 solute is saturated at 40 degrees?

a)

75

b)

55

c)

65

d)

85

58.

How much C12H22O11 solute is saturated at 40 degrees?

a)

240

b)

220

c)

230

d)

250

59.

Which solute is MOST likely a gas?

a)

KNO3

b)

NaNO3

c)

KCl

d)

Ce2(SO4)3

60.

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

a)

62

b)

73

c)

81

d)

You cannot determine this

61.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

62.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

63.
Which solute is the most soluble at 10 ⁰C?
a)
KI
b)
KClO3
c)
NH4Cl
d)
NH3
64.
Which solute is the least soluble at 90 ⁰C?
a)
SO2
b)
KClO3
c)
KI
d)
HCl
65.
Which of these solutes does not increase in solubility as temperature rises?
a)
NH3
b)
NaNO3
c)
KNO3
d)
NaCl
66.
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
67.

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

a)

70

b)

20

c)

100

d)

You cannot determine this

68.

What is the amount of solute that can dissolve in a solvent at a specific temperature?

a)

solute

b)

solvent

c)

soluble

d)

solubility

69.

A solution in which more solute can still be dissolved is called

a)

soluble

b)

saturated

c)

unsaturated

70.

Is this solution saturated or unsaturated?

a)

saturated

b)

unsaturated

71.

Every solute has the same solubility curve.

a)

True

b)

False

72.

As temperatures increase, solutes become

a)

more soluble

b)

less soluble

73.

Which solute is more affected by changes in temperature?

a)

KNO3

b)

NH4Cl

c)

they are affected the same

74.

Which solute is more more soluble at 40 degrees Celsius?

a)

KNO3

b)

NH4Cl

75.

Which solute is more more soluble at 70 degrees Celsius?

a)

KNO3

b)

NH4Cl

76.

At what temperature do the solutes have the same solubility?

a)

50 degrees Celsius

b)

65 degrees Celsius

c)

100 degrees Celsius

d)

0 degrees Celsius

77.

At what temperature is the solubility of NH4Cl 5.00 g?

a)

55 degrees Celsius

b)

50 degrees Celsius

c)

45 degrees Celsius

78.

At what temperature can you dissolve 5.00 g of potassium nitrate?

a)

48 °C48\ \degree C  

b)

60 °C60\ \degree C  

c)

55 °C55\ \degree C  

d)

65 °C65\ \degree C  

79.

What is the solubility of KNO3 at 75 degrees Celsius?

a)

6.50 g

b)

7.00 g

c)

7.50 g

d)

8.00 g

80.

What is the solubility of NH4Cl at 75 degrees Celsius?

a)

6.50 g

b)

7.00 g

c)

7.50 g

d)

6.00 g

81.

How much ammonium chloride would you need to make a saturated solution at 50 C?

a)

4.50 g

b)

5.00 g

c)

5.25 g

d)

4.00 g

82.

You dissolve 6.00 g of NH4Cl at 70 degrees Celsius. Is the solution saturated or unsaturated?

a)

saturated

b)

unsaturated

83.

You dissolve 3.50 g of KNO3 at 40 degrees Celsius. Is the solution saturated or unsaturated?

a)

saturated

b)

unsaturated

84.

You dissolve 6.00 g of NH4Cl at 70 degrees Celsius. How many more grams will you need to add in order for it to be saturated?

a)

1.00 g more

b)

0.25 g more

c)

0.50 g more

d)

2.00 g more

85.

You dissolve 3.00 g of KNO3 at 45 degrees Celsius. How many more grams will you need to add in order for it to be saturated?

a)

1.00 g more

b)

0.25 g more

c)

0.50 g more

d)

2.00 g more

86.

How much KNO3 solute is saturated at 40 degrees?

a)

75

b)

55

c)

65

d)

85

87.

How much C12H22O11 solute is saturated at 40 degrees?

a)

240

b)

220

c)

230

d)

250

88.

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

a)

20

b)

15

c)

30

d)

2

89.

How much NaBr solute is saturated at 70 degrees?

a)

110

b)

120

c)

130

d)

140

90.

Which solute is MOST likely a gas?

a)

KNO3

b)

NaNO3

c)

KCl

d)

Ce2(SO4)3

91.

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

a)

62

b)

73

c)

81

d)

You cannot determine this

92.

At what temperature can you fully dissolve 60g of KNO3?

a)

27

b)

30

c)

37

d)

You cannot determine this

93.

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

a)

70

b)

20

c)

100

d)

You cannot determine this

94.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

95.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

96.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

97.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

98.

What type of a solution is 55g KCl at 70ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

99.

How many grams of KNO3 will produce a saturated solution at 40 degrees?

a)

75

b)

55

c)

65

d)

85

100.

How many grams ofCe2(SO4)3 solute will produce a saturated solution at 80 degrees?

a)

20

b)

15

c)

30

d)

2

101.

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

a)

62

b)

73

c)

81

d)

You cannot determine this

102.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

d)

You cannot determine this

103.

What type of a solution is 60 g KCl at 70ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

d)

You cannot determine this

104.

How many grams of K2Cr2O7, are soluble in 50 g of water at 90ºC?

a)

70 grams

b)

35 grams

c)

140 grams

d)

105 grams

105.
Which substance is MOST soluble at 0 ºC?
a)
KI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
106.

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

d)

You cannot determine this

107.

20 grams of NaCl are dissolved in 100 mL of water at 60 0C. How many more grams need to be dissolved for the solution to be saturated?

a)

15 grams

b)

25 grams

c)

6 grams

d)

38 grams

108.

A saturated solution of Pb(N03)2 is prepared at 20°C using 100 grams of water. As this solution is cooled to 10°C, NaN03 precipitates (settles) out of the solution. The resulting solution is saturated. Approximately how many grams of NaN03 settled out of the original solution?

a)

26 grams

b)

10 grams

c)

55 grams

d)

126 grams

109.

How much KNO3 solute is saturated at 40 degrees?

a)

75

b)

55

c)

65

d)

85

110.

How much C12H22O11 solute is saturated at 40 degrees?

a)

240

b)

220

c)

230

d)

250

111.

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

a)

20

b)

15

c)

30

d)

2

112.

How much NaBr solute is saturated at 70 degrees?

a)

110

b)

120

c)

130

d)

140

113.

Which solute is MOST likely a gas?

a)

KNO3

b)

NaNO3

c)

KCl

d)

Ce2(SO4)3

114.

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

a)

62

b)

73

c)

81

d)

You cannot determine this

115.

At what temperature can you fully dissolve 60g of KNO3?

a)

27

b)

30

c)

37

d)

You cannot determine this

116.

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

a)

70

b)

20

c)

100

d)

You cannot determine this

117.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

118.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

119.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

120.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

121.

What type of a solution is 55g KCl at 70ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

122.
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. 
123.

How much KNO3 solute is saturated at 40 degrees?

a)

75

b)

55

c)

65

d)

85

124.

How much C12H22O11 solute is saturated at 40 degrees?

a)

240

b)

200

c)

300

d)

270

125.

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

a)

20

b)

15

c)

30

d)

2

126.

How much NaBr solute is saturated at 70 degrees?

a)

110

b)

120

c)

220

d)

100

127.

Which solute is MOST likely a gas?

a)

KNO3

b)

NaNO3

c)

KCl

d)

Ce2(SO4)3

128.

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

a)

60

b)

73

c)

100

d)

You cannot determine this

129.

At what temperature can you fully dissolve 60g of KNO3?

a)

27

b)

55

c)

37

d)

You cannot determine this

130.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

131.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

132.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

133.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

134.

What type of a solution is 55g KCl at 70ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

135.

How much KNO3 solute is saturated at 40 degrees?

a)

75

b)

55

c)

65

d)

85

136.

How much C12H22O11 solute is saturated at 40 degrees?

a)

240

b)

220

c)

230

d)

250

137.

How much NaBr solute is saturated at 70 degrees?

a)

110

b)

120

c)

130

d)

140

138.

Which solute is MOST likely a gas?

a)

KNO3

b)

NaNO3

c)

KCl

d)

Ce2(SO4)3

139.

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

a)

62

b)

73

c)

81

d)

You cannot determine this

140.

At what temperature can you fully dissolve 60g of KNO3?

a)

27

b)

30

c)

37

d)

You cannot determine this

141.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

142.

25 grams of NaCl are dissolved in 100 mL of water at 60 C. How many more grams need to be dissolved for the solution to be saturated?

a)

13 grams

b)

25 grams

c)

6 grams

d)

38 grams

143.

How many grams of K2Cr2O7, are soluble in 50 g of water at 90ºC?

a)

70 grams

b)

35 grams

c)

140 grams

d)

105 grams

144.
Which substance is MOST soluble at 0 ºC?
a)
KI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
145.

How many grams of KClO3, are soluble in 200g of water at 30ºC?

a)

5 grams

b)

100 grams

c)

10 grams

d)

20 grams

146.

How much KNO3 solute is saturated at 40 degrees?

a)

75

b)

55

c)

65

d)

85

147.

How much C12H22O11 solute is saturated at 40 degrees?

a)

240

b)

220

c)

230

d)

250

148.

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

a)

20

b)

15

c)

30

d)

2

149.

How much NaBr solute is saturated at 70 degrees?

a)

110

b)

120

c)

130

d)

140

150.

Which solute is MOST likely a gas?

a)

KNO3

b)

NaNO3

c)

KCl

d)

Ce2(SO4)3

151.

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

a)

62

b)

73

c)

81

d)

You cannot determine this

152.

At what temperature can you fully dissolve 60g of KNO3?

a)

27

b)

30

c)

37

d)

You cannot determine this

153.

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

a)

70

b)

20

c)

100

d)

You cannot determine this

154.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

155.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

156.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

157.

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

a)

Saturated

b)

Unsaturated

c)

Supersaturated

158.

What type of a solution is 55g KCl at 70ºC in 100g H2O?

a)

Saturated

b)

Unsaturated

c)

Supersaturated

159.

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

160.
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
161.

25 grams of NaCl are dissolved in 100 mL of water at 60 C. How many more grams need to be dissolved for the solution to be saturated?

a)

13 grams

b)

25 grams

c)

6 grams

d)

38 grams

162.
Which substance is MOST soluble at 0 ºC?
a)
KI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
163.
Which solute is the most soluble at 10 ⁰C?
a)
KI
b)
KClO3
c)
NH4Cl
d)
NH3
164.
Which solute is the least soluble at 90 ⁰C?
a)
SO2
b)
KClO3
c)
KI
d)
HCl
165.
Which of these solutes does not increase in solubility as temperature rises?
a)
NH3
b)
NaNO3
c)
KNO3
d)
NaCl
166.
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
167.

What does this solubility curve show?

a)

Solubility increases as temperature increases

b)

Solubility decreases as temperature increases

c)

Solubility decreases as concentration increases

d)

Solubility is not affected by temperature

168.

The substance that does the dissolving

a)

Solute

b)

Solvent

c)

Solution

d)

Miscibility

169.

What does it mean to be an unsaturated solution?

a)

A solution with more solute than solvent

b)

A solution with less than the maximum amount of solute

c)

A solution with the perfect balance of solutes and solvents

d)

A solution with extra solute sitting at the bottom of the solvent

170.

Which of the following will allow for more solute than normal to be dissolved in a solvent?

a)

freezing the solution

b)

shaking the solute

c)

cooling the solution

d)

heating the solution

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