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Molarity

Total questions: 12

Worksheet time: 21mins

Name
Class
Date
1.

Molarity is measured in _____.

a)

moles per g.

b)

mols per L.

c)

moles per mm.

d)

moles per mL.

2.

The _____ is the thing being dissolved.

a)

solute

b)

solvent

3.

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.

4.

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

5.

What are the units of molarity?

a)

M

b)

m

c)

Ml

d)

Mr

6.

Calculate the molarity of the following solution: 1.0 mole of KCl in .75 L of solution.

a)

0.750 M

b)

99 M

c)

1.3 M

d)

2.0 M

7.

What is the molarity of a solution made by adding 1.565 moles of PbNO3 to .5 L?

a)

300. M

b)

31.3 M

c)

3.13 M

d)

1.56 M

8.
How many moles are needed to make 2.5 L of a 3.8 M solution? 
a)
9.5 mol
b)
0.66 mol
c)
1.5 mol
d)
15 mol
9.
How many liters would you need to make a 1 M solution if you have 6 mol of Sodium Hydroxide? 
a)
2
b)
3
c)
4
d)
10.
What is the molarity of 3 mole of hydrochloric acid in 3 L of water. 
a)
3
b)
1
c)
6
d)
9
11.
Molarity is measured in
a)
moles per kg
b)
mols per L
c)
moles per kJ
d)
moles per mL
12.

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