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Solubility Curve Practice

Total questions: 27

Worksheet time: 54mins

Name
Class
Date
1.

The solubility graph below shows the amounts of four substances that will dissolve in 100 grams of water at various water temperatures.


Which substance has 80 grams of solute dissolved in 100 grams of water at 50 C?

a)

Potassium Bromide

b)

Ammonium Chloride

c)

Potassium Chloride

d)

Lithium Hydroxide

2.

Use the printed "Solubility Graph" & only choose ONE answer.

When 180 grams of Potassium Iodide is dissolved in 100 grams of water at 30 ºC, the solution can be correctly described as:

a)
supersaturated
b)
unsaturated
c)
saturated
3.

Use the printed "Solubility Graph" & only choose ONE answer.

What mass of Sodium Chloride, NaCl, will dissolve in 100 mL of water at 75 oC, to form a saturated solution?

a)

40 g

b)

28 g

c)

110 g

d)

35 g

4.

Use the printed "Solubility Graph" & only choose ONE answer.

What mass of potassium chlorate, KClO3, will dissolve in 100mL of water at 200C, to form a saturated solution?

a)

10g

b)

28 g

c)

110 g

d)

162 g

5.

Use the printed "Solubility Graph" & only choose ONE answer.

What mass of potassium nitrate, KNO3, will dissolve in 100mL of water at 700C, to form a saturated solution?

a)

140 g

b)

28 g

c)

110 g

d)

35 g

6.

Use the printed "Solubility Graph" & only choose ONE answer.

If a mass of 70 grams of potassium nitrate, KNO3, dissolved in 100 mL of water at 700C, what type of solution would be formed?

a)

Sautrated

b)

Unsaturated

c)

Supersaturated

d)

Can't tell with this information

7.

Use the printed "Solubility Graph" & only choose ONE answer.

Which solute is the least soluble at 90 ⁰C?

a)

Potassium Iodide

b)

Potassium Chlorate

c)

Sodium Chloride

d)

Sodium Nitrate

8.

Use the printed "Solubility Graph" & only choose ONE answer.

How many grams of Potassium Nitrate can dissolve at 45⁰C?

a)

20 g

b)

40 g

c)

75 g

d)

110 g

9.

Use the printed "Solubility Graph" & only choose ONE answer.

When 180 grams of Potassium Iodide is dissolved in 100 grams of water at 30 ºC, the solution can be correctly described as:

a)
supersaturated
b)
unsaturated
c)
saturated
10.

Use the printed "Solubility Graph" & only choose ONE answer.

A solution that contains 70 g of Sodium Nitrate at 30 ºC, How many more grams are needed to saturate a solution ?

a)

95 g

b)

25 g

c)

0 g

d)

50 g

11.

Use the printed "Solubility Graph" & only choose ONE answer.

When 120 grams of Sodium Nitrate is dissolved in 100 grams of water at 30 ºC, the solution can be correctly described as:

a)

Supersaturated b/c the point falls above the line

b)

Saturated b/c the point falls above the line

c)

Saturated b/c the point falls on the line

d)

Unsaturated b/c the point falls above the line

e)

Unsaturated b/c the point falls below the line

12.

Use the printed "Solubility Graph" & only choose ONE answer.

Which substances is most soluble at 45 oC?

a)

Sodium Chlorate

b)

Sodium Nitrate

c)

Potassium Nitrate

d)

Potassium Chlorate

13.
Which solute is the most soluble at 10 ⁰C?
a)
KI
b)
KClO3
c)
NH4Cl
d)
NH3
14.
Which solute is the least soluble at 90 ⁰C?
a)
SO2
b)
KClO3
c)
KI
d)
HCl
15.
How many grams of SO2 can dissolve at 50 ⁰C?
a)
5 g
b)
10 g
c)
20 g
d)
39 g
16.
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
17.
This solution would be considered
a)

Unsaturated b/c the point is above the line

b)

Supersaturated b/c the point is above the line

c)

Saturated b/c the point is on the line

d)

Saturated b/c the point is above the line

18.

Use the printed "Solubility Graph" from your notes packet,

Which solute is the most soluble at 10 ⁰C?

a)

potassium chlorate

b)

Sodium Chloride

c)

Potassium Nitrate

19.

Use the printed "Solubility Graph" from your notes packet,

Which solute is the least soluble at 90 ⁰C?

a)

Potassium Iodide

b)

Potassium Chlorate

c)

Sodium Chloride

d)

Sodium Nitrate

20.

Use the printed "Solubility Graph" from your notes packet,

How many grams of Potassium Nitrate can dissolve at 45⁰C?

a)

20 g

b)

40 g

c)

71 g

d)

110 g

21.

Use the printed "Solubility Graph" from your notes packet,

When 180 grams of Potassium Iodide is dissolved in 100 grams of water at 30 ºC, the solution can be correctly described as:

a)
supersaturated
b)
unsaturated
c)
saturated
22.

Use the printed "Solubility Graph" from your notes packet,

How many grams of Potassium Chlorate is needed to saturate a solution at 15 ºC?

a)

5 g

b)

9 g

c)

27 g

d)

152 g

23.

Use the printed "Solubility Graph" from your notes packet,

A solution that contains 70 g of Sodium Nitrate at 30 ºC, How many more grams are needed to saturate a solution ?

a)

95 g

b)

25 g

c)

0 g

d)

50 g

24.

Use the printed "Solubility Graph" from your notes packet,

When 120 grams of Sodium Nitrate is dissolved in 100 grams of water at 30 ºC, the solution can be correctly described as:

a)
supersaturated
b)
unsaturated
c)
saturated
25.

Use the printed "Solubility Graph" from your notes packet,

How can you tell that a solution of 30 g of Sodium Chloride is unsaturated at 35 oC?

a)

The point falls above the line

b)

The point falls below the line

c)

The point falls on the line saturated

26.

Use the printed "Solubility Graph" from your notes packet,

How can you tell that a solution of 50 g of Potassium Chlorate is saturated at 90 oC?

a)

The point falls above the line

b)

The point falls below the line

c)

The point falls on the line saturated

27.

Use the printed "Solubility Graph" from your notes packet,

Which substances is most soluble at 45 oC?

a)

Sodium Chlorate

b)

Sodium Nitrate

c)

Potassium Iodide