wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Molarity and Dilution PRACTICE!

Total questions: 10

Worksheet time: 11mins

Name
Class
Date
1.

What is the molarity of a 5 L solution that contains 6 moles of water?

a)

0.83 M

b)

0.83 g

c)

1.2 M

d)

2.1 M

2.

The _____ is the thing being dissolved.

a)

solute

b)

solvent

3.

Which equation is used to find molarity?

a)

Moles solute/L solution

b)

Moles solute/kg solution

c)

Moles solute/kg solvent

d)

Grams solute/L solution

4.

Molarity is measured in _____.

a)

moles per g.

b)

mols per L.

c)

moles per mm.

d)

moles per mL.

5.

How many moles of NaCl are present in a solution with a molarity of 8.59 M and a volume of .125 L?

a)

1074 mol

b)

0.069 mol

c)

1.07 mol

d)

62.7 mol

6.

A measure of how much solute is dissolved in solution or "strength" of solution is called......

a)

concentrated

b)

concentration

c)

dilute

d)

dilution

7.

How do chemists describe the "strength" or concentration of a solution?

a)

molarity

b)

concentrated

c)

diluted

d)

strong

8.
What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250 mL?
a)
15.9 M
b)
0.636 M
c)
0.642 M
d)
1.59 M
9.

You are adding a chlorine solution to a swimming pool. The stock solution of chlorine is 1000M. Your swimming pool (75,000 L) needs to be at a concentration of 0.1M. How much of the stock solution should you add?

a)

7500 L

b)

0.75 L

c)

750,000 L

d)

750,000,000 L

10.

How many mL of stock solution of 2M NaCl do you need to prepare 100 mL of 0.150M NaCl?

a)

7.5 mL

b)

15 mL

c)

1333 mL

d)

200 mL