wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Molarity

Total questions: 25

Worksheet time: 59mins

Name
Class
Date
1.

How many liters would you need to make a 1 M solution if you have 6 mol of sodium hydroxide (NaOH)?

a)

2

b)

3

c)

4

d)

6

2.

What is the molarity of 4 g of NaCl in 3,800 mL of solution?

a)

0.018 M

b)

0.0011 M

c)

1.052 M

d)

0.062 M

3.

How many grams of solute are dissolved in 125.0 mL of 5.00 M NaCl?

a)

0.625 g NaCl

b)

625 g NaCl

c)

36.56 g NaCl

d)

0.04 mol NaCl

4.

Find the molarity of 186.55 g of sucrose (C12H22O11) in 250 mL of water.

a)

2.18 M

b)

0.746 M

c)

1.18 M

d)

0.545 M

5.
Which sweet tea would you expect to taste the sweetest?
a)
1M
b)
3M
c)
3.1M
d)
2.5M
6.
True or False? The higher the concentration of a solution the less solutes it has in it.
a)
True
b)
False
7.

What is the molarity of 3 moles of hydrochloric acid (HCl) in 3 L of water (H2O)?

a)

3

b)

1

c)

6

d)

9

8.

Molarity is measured in _____.

a)

moles per g.

b)

mols per L.

c)

moles per mm.

d)

moles per mL.

9.

The _____ is the thing being dissolved.

a)

solute

b)

solvent

10.
What is the molar mass of C2H4O2?
a)
40g
b)
50g
c)
60g
d)
68g
11.
What is the mass of 0.75 moles of (NH4)3PO4?
a)
101.75 g
b)
121.75 g
c)
111.75 g
d)
131.75 g
12.

Which has a greater mass: 1 mole of scandium (Sc) or 2 moles of boron (B)?

a)

scandium

b)

boron

c)

neither

d)

More information is needed.

13.

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.

14.

A solution that is considered unsaturated would _____.

a)

be dark in color.

b)

have a strong scent.

c)

have a large amount of solute.

d)

have a small amount of solute.

15.

Kool-Aid - flavoring, coloring, sugar, and water. Identify the solvent.

a)

water

b)

powder

c)

sugar

d)

powder and sugar

16.

When a certain amount of solvent cannot hold any more solute it is called a ________ solution.

a)

supersaturated

b)

saturated

c)

unsaturated

17.
If I added 27 grams of salt to water and separated the solution with a hot plate, what amount of salt would be left behind?
a)
20 grams
b)
0 grams
c)
27 grams
d)
10 grams
18.

A solution that is able to dissolve additional solute is best described as _____.

a)

supersaturated.

b)

saturated.

c)

unsaturated.

19.

Molecules whose water solutions conduct a current.

a)

electrolytes

b)

conductive

c)

non-electrolyte

20.

A dissolved solute that does not form ions.

a)

strong electrolyte

b)

weak electrolyte

c)

non-electrolyte

21.

Being able to dissolve is known as _____.

a)

saturated.

b)

solute.

c)

soluble.

d)

insoluble.

22.

Something that cannot be dissolved into a solution is called _____.

a)

soluble.

b)

insoluble.

c)

solution.

d)

suspension.

23.

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.

24.

What is the solvent in an aqueous solution?

a)

acid

b)

water

c)

oil

d)

gasoline

25.

When a certain amount of solvent has been heated and more solute is dissolved than the solvent can normally hold it is called a ________ solution.

a)

saturated

b)

supersaturated

c)

unsaturated