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Worksheets

Solutions

Total questions: 15

Worksheet time: 15mins

Name
Class
Date
1.

The ___ does the dissolving, while the ____ gets dissolved.

a)

solvent, solute

b)

solute, solvent

c)

solute, solution

d)

solution, solute

2.

There is always more ____ than _____.

a)

solute, solvent

b)

solvent, solute

c)

solvent, solution

d)

solute, solution

3.

______ + ______ = ______

a)

solvent, solution, solvent

b)

solute, solvent, solution

c)

solution, solute, solvent

4.

Solution A has 5 grams of NaCl dissolved into 1.0 L of solution. Solution B has 10 grams of NaCl dissolved into 1.0 L of solution.

a)

Solution A is more concentrated than Solution B.

b)

Solution B is more concentrated than Solution A.

c)

Solution B is saturated while Solution B is unsaturated.

d)

Two answers are correct.

5.

The process where solvent particles surround solute particles is called _________.

a)

dissociation

b)

solvation

c)

hydration

d)

solubility

6.

What is shown in the picture?

a)

dissociation

b)

hydration

c)

both dissociation and hydration

d)

neither dissociation nor hydration

7.

At 50°C, 30.0 grams of potassium dichromate can be dissolved into 100 grams of water. If one dissolves 15 grams of potassium dichromate in 100 grams of water at this temperature, a(an) ____ solution forms.

a)

saturated

b)

unsaturated

c)

supersaturated

d)

isotonic

8.

At 50°C, 30.0 grams of potassium dichromate can be dissolved into 100 grams of water. If one dissolves 30 grams of potassium dichromate in 100 grams of water at this temperature, a(an) ____ solution forms.

a)

saturated

b)

unsaturated

c)

supersaturated

d)

isotonic

9.

At 50°C, 30.0 grams of potassium dichromate can be dissolved into 100 grams of water. If one dissolves 30.9 grams of potassium dichromate in 100 grams of water at this temperature, a(an) ____ solution forms.

a)

saturated

b)

unsaturated

c)

supersaturated

d)

isotonic

10.

Which is an example of miscible?

a)

Oil dissolves in gasoline.

b)

Salt dissolves into water.

c)

Oxygen dissolves into nitrogen.

d)

Iron dissolves into liquid mercury.

11.

When one adds 40 grams of table salt to 100 grams of water at 40 degrees only 37 grams of the salt actually dissolve. This is an example of ___________.

a)

soluble

b)

insoluble

c)

miscible

d)

immiscible

12.

Ethanol is a polar solvent. Which of the following statements is true?

a)

Water will dissolve into ethanol because water is polar too.

b)

Water will dissolve into ethanol because water is nonpolar.

c)

Oil will dissolve into ethanol because oil is polar too.

d)

Oil will dissolve into ethanol because oil is nonpolar.

13.

Table salt (NaCl) dissolves into water because...

a)

table salt is polar and water is polar too.

b)

table salt is ionic and water is polar.

c)

table salt is nonpolar and water is nonpolar too.

d)

table salt is ionic and water is nonpolar.

14.

To dissolve more oxygen into water, one should...

a)

decrease the pressure and increase the temperature.

b)

increase the pressure and decrease the temperature.

c)

increase the pressure and increase the temperature.

d)

decrease the pressure and decrease the temperature.

15.

Stirring a solution increases the rate of solvation because...

a)

the process brings fresh solvent near the solute.

b)

it increases the kinetic energy of the particles, which increases the solubility.

c)

the process breaks the particles into smaller pieces.

d)

it decreases the surface area of the solute particles.