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Chemistry Table G

Total questions: 15

Worksheet time: 1hrs 15mins

Name
Class
Date
1.

According to Table G, which substance forms an unsaturated solution when 80. grams of the substance are stirred into 100. grams of H2O at 10.°C?

a)

KNO3

b)

KI

c)

NH3

d)

NaCl

2.

Which compound becomes less soluble in water as the temperature of the solution is increased?

a)

HCl

b)

KCl

c)

NaCl

d)

NH4Cl

3.

An unsaturated aqueous solution of NH3 is at 90°C in 100. grams of water. According to Reference Table G, how many grams of NH3 could this unsaturated solution contain?

a)

5 g

b)

10 g

c)

15 g

d)

20 g

4.

When 10 grams of KClO3 are dissolved in 50. grams of water at 25°C, the resulting mixture can be described as

a)

heterogeneous and saturated

b)

heterogeneous and supersaturated

c)

homogeneous and saturated

d)

homogeneous and supersaturated

5.

A solution contains 35 grams of KNO3 dissolved in 100 grams of water at 40°C. How much more KNO3 would have to be added to make it a saturated solution?

a)

29 g

b)

24 g

c)

12 g

d)

4 g

6.

A saturated solution of NaNO3 is prepared at 60.ºC using 100. grams of water. As this solution is cooled to 10.ºC, NaNO3 precipitates (settles) out of the solution. The resulting solution is saturated. Approximately how many grams of NaNO3 settled out of the original solution?

a)

46 g

b)

61 g

c)

85 g

d)

126 g

7.

According to Reference Table G, which solution is saturated at 30°C?

a)

12 grams of KClO3 in 100 grams of water

b)

12 grams of KClO3 in 200 grams of water

c)

30 grams of KClO3 in 200 grams of water

d)

30 grams of KClO3 in 100 grams of water

8.

A solution is formed by dissolving 45 grams of NH4Cl in 100 grams of H2O at 70ºC. Which statement correctly describes this solution?

a)

NH4Cl is the solute, and the solution is saturated.

b)

NH4Cl is the solute, and the solution is unsaturated.

c)

NH4Cl is the solvent, and the solution is saturated.

d)

NH4Cl is the solvent, and the solution is unsaturated.

9.

How many grams of KCl must be dissolved in 200 grams of water to make a saturated solution at 60°C?

a)

30 g

b)

45 g

c)

56 g

d)

90 g

10.

Which compound is insoluble in water?

a)

KOH

b)

NH4Cl

c)

Na3PO4

d)

PbSO4

11.

According to Table F, which substance is soluble in water?

a)

AgCl

b)

CaCO3

c)

Na2CO3

d)

SrSO4

12.

According to Table F which compound is soluble in water?

a)

Ba3(PO4)2

b)

CaSO4

c)

AgI

d)

NaClO3

13.

According to Table F, which of these salts is least soluble in water?

a)

LiCl

b)

RbCl

c)

FeCl2

d)

PbCl2

14.

According to your Reference Tables, which of these compounds is insoluble in water?

a)

K2CO3

b)

KC2H3O2

c)

Ca3(PO4)2

d)

Ca(NO3)2

15.

According to your Reference Tables, which substance forms an saturated solution when 80 grams of the substance is dissolved in 100 grams of H2O at 10°C?

a)

KI

b)

NaNO3

c)

KNO3

d)

NaCl