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6.5 - Molar Mass

Total questions: 14

Worksheet time: 42mins

Name
Class
Date
1.

How many particles are in a mole?

a)

602

b)

602 million

c)

602 moles

d)

6.02 x 1023

2.

The molar mass of an element is equal to its...

a)

Atomic mass

b)

Atomic number

c)

Oxidation number

d)

Valence electrons

3.

What is the correct unit for molar mass?

a)

grams

b)

grams/mole

c)

mole

d)

moles/gram

4.
Which would have more atoms?
a)
1 mole of Li
b)
1 mole of Au
c)
1 mole of Si
d)
None, all are equal
5.

What is the mass of one mole of Helium?

a)

4 g

b)

2 g

c)

8 g

d)

There is no way to know

6.

What is the mass of one atom of copper?

a)

63.5 grams

b)

63.5 amu

c)

63.5 grams/mole

d)

There is no way to know

7.

What is the mass of one mole of aluminum?

a)

27 g

b)

13 g

c)

54 g

d)

14 g

8.

What is the molar mass of fluorine gas?

(Beware!)

a)

18.998 g/mol

b)

38 g/mol

c)

9 g/mol

d)

18 g/mol

9.

If you have 295 grams of copper, how many moles of copper do you have?

a)

4 moles

b)

6 moles

c)

5 moles

d)

3 moles

10.

If you have 56 grams of lithium, how many moles of lithium do you have?

a)

7 moles

b)

8 moles

c)

56 moles

d)

6 moles

11.

If you have 10 grams of hydrogen gas, how many moles of hydrogen gas do you have? (Beware!)

a)

10 moles

b)

1 mole

c)

5 moles

d)

100 moles

12.

If you have 2 moles of titanium, how many grams of titanium do you have?

a)

48 grams

b)

24 grams

c)

96 grams

d)

20 grams

13.

If you have 10 moles of gold, how many grams of gold do you have?

a)

107 grams

b)

197 grams

c)

1,070 grams

d)

1,970 grams

14.

If you have 3 moles of nitrogen gas, how many grams of nitrogen gas will you have? (Beware!)

a)

84 grams

b)

42 grams

c)

3 grams

d)

14 grams