Free Printable Solutions and Molarity

1.

What is the molarity of 3 mole of hydrochloric acid in 3 L of water.

Remember, M = $\frac{mol}{L}$

a)

3 M

b)

1 M

c)

6 M

d)

9 M

2.

The ___ is the thing being dissolved

a)

solute

b)

solvent

3.

What is the formula for molarity?

M =

a)

$\frac{mol}{grams}$

b)

$\frac{mol}{ki\log rams}$

c)

$\frac{mol}{milliliters}$

d)

$\frac{moles}{liters}$

4.

A solution is a kind of ________.

a)

mixture

b)

compound

c)

element

d)

stuff

5.

A solution is also known as a ________ mixture.

a)

heterogeneous

b)

homogeneous

c)

mixed

6.

When one of the parts of the solution is water we call it _________.

a)

water stuff

b)

water mixture

c)

aqua-man

d)

aqueous

7.

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

8.

What is the molarity of a 0.5L sample of a solution that contains 60.0 g of sodium hydroxide (NaOH)?

$M\ =\ \frac{mol}{L}$

(HINT: Convert g to mol with the molar mass of NaOH first)

a)

0.8 M

b)

1.5M

c)

3.0M

d)

6.0M

9.

Which of the following substances is a heterogeneous substance?

a)

baby oil

b)

cookie dough ice cream

c)

salt water

d)

milk

10.

Which of the following substances is a homogeneous solution?

a)

chocolate chip cookie

b)

italian dressing

c)

apple juice

d)

pulpy orange juice

11.

air is a

a)

compound

b)

element

c)

heterogeneous mixture

d)

solution

12.

Another name for a homogeneous mixture is

a)

an element.

b)

a solution.

c)

a compound.

13.

Calculate the molarity of the following solution: 1.0 mole of KCl in 750 mL of solution. (HINT: 1000 mL = 1 L)

$M\ =\ \frac{mol}{L}$

a)

0.750 M

b)

99 M

c)

1.3 M

d)

2.0 M

14.

What is the molarity of a solution made by adding 1.565 moles of Pb(NO₃ )₂ to enough water to make 500. mL of soution?

a)

300. M

b)

31.3 M

c)

3.13 M

d)

1.56 M

15.

The term molar, which describes a solution's concentration, is written as?

a)

M

b)

mol

c)

g

d)

g/L

16.

If you have 2.5 moles of glucose in 0.5 L of solution, what is the concentration of the solution?

$M\ =\ \frac{mol}{L}$

a)

0.5 M

b)

1.25 M

c)

2.5 M

d)

5 M

17.

Concentration of a solution is expressed in

a)

moles

b)

molar

c)

molar mass

d)

molarity

18.

Solutions are composed of __________ .

a)

salts and solutes

b)

solvents and salts

c)

solutes and alloys

d)

solutes and solvents

19.

If I dissolve sugar in water, what is the solute?

a)

Water

b)

Hydrogen

c)

Sugar

d)

Carbon

20.

If I dissolve carbon dioxide in water, what is the solvent?

a)

Carbon Dioxide

b)

There is no solvent

c)

Oxygen

d)

Water

Solutions and Molarity

Total questions: 20

Worksheet time: 34mins

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