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Molar Mass Quiz

Total questions: 15

Worksheet time: 38mins

Name
Class
Date
1.
What is the molar mass of H2O?
a)

6.02 x 1023

b)

16 g/mol

c)

18.02 g/mol

d)

17.01 g/mol

2.
What is the molar mass NaCl?
a)

58 g/mol

b)

58.44 g/mol

c)

57 g/mol

d)

56.96 g/mol

3.

What is the molar mass of Na2CO3?

a)

51.00 g/mol

b)

83.00 g/mol

c)

73.99 g/mol

d)

105.99 g/mol

4.

What is the molar mass of Ca(NO3)2 ?

a)

102.09 g/mol

b)

164.10 g/mol

c)

116.10 g/mol

d)

100.10 g/mol

5.
What is the molar mass of B2(CO3)3?
a)

153.65 g/mol

b)

81.63 g/mol

c)

105.65 g/mol

d)

201.65 g/mol

6.

What is the molar mass of CO2?

a)

56.02 g/mol

b)

28.01 g/mol

c)

32.00 g/mol

d)

44.01 g/mol

7.

What id the molar mass of F2?

a)

76.00 g/mol

b)

2 g/mol

c)

19.00 g/mol

d)

38.00 g/mol

8.
What is the mass of one mole of aluminum?
a)
27 g
b)
13 g
c)
54 g
d)
14 g
9.
The molar mass of an element is equal to its...
a)
Atomic mass
b)
Atomic number
c)
Oxidation number
d)
Valence electrons
10.
What is the molar mass of NaOH?
a)
40 g/mol
b)
38.989 g/mol
c)
23.998 g/mol
d)
57.004 g/mol
11.
What is the molar mass of CO2?
a)
12
b)
16
c)
32
d)
44
12.

Which of the following is needed to determine the molar mass of a molecule?

a)

Types of elements in the molecule

b)

Quantity of elements in the molecule

c)

Mass of the elements in the molecule

d)

All are correct and needed.

13.

What is the molar mass of Cl2?

a)

17 g/mol

b)

35 g/mol

c)

70 g/mol

d)

89 g/mol

14.

What id the molar mass of UF6?

a)

101 g/mol

b)

238 g/mol

c)

257 g/mol

d)

352 g/mol

15.

Calculate the molar mass of Cu2O.

a)

37 g/mol

b)

45 g/mol

c)

79.5 g/mol

d)

143 g/mol