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WorksheetsMolar Mass
Total questions: 15
Worksheet time: 35mins
Name
Class
Date
1.
What is the molar mass of sodium?
a)
11
b)
22.990
c)
45.98
d)
3
2.
What are the units for molar mass?
a)
grams
b)
amu
c)
grams/mole
d)
liters
3.
Fluorine is diatomic. What is the molar mass of fluorine gas (F2)?
a)
18.998 g/mol
b)
37.996 g/mol
c)
9 g/mol
d)
18 g/mol
4.
What is the mass of one mole of aluminum?
a)
26.982 g
b)
13 g
c)
53.985 g
d)
14 g
5.
What is the molar mass of NaOH?
a)
39.997 g/mol
b)
38.989 g/mol
c)
23.998 g/mol
d)
57.004 g/mol
6.
What is the molar mass of B2(CO3)3?
a)
81.632 g/mol
b)
94.842 g/mol
c)
38.822 g/mol
d)
201.644 g/mol
7.
What is the molar mass of AgF
a)
514.9g/mol
b)
99.7g/mol
c)
126.866 g/mol
d)
198.8g/mol
8.
What is the molar mass of Ca(OH)2
a)
74.094 g/mol
b)
210.0g/mol
c)
98.9g/mol
d)
219.9g/mol
9.
Which compound has the smallest molar mass?
a)
CO
b)
CO2
c)
H2O
d)
H2O2
10.
Which has a greater mass: 1 mole of scandium or 2 moles of boron?
a)
scandium
b)
boron
c)
neither
d)
more information is needed.
11.
What is the molar mass for UF6?
a)
300 g/mol
b)
252 g/mol
c)
352 g/mol
d)
257 g/mol
12.
Calculate the molar mass for Cl2 -
a)
35.453 g/mol
b)
75.967 g/mol
c)
45.276 g/mol
d)
70.906 g/mol
13.
The molar mass of a chemical compound represents-
a)
the mass of one mole of that substance
b)
the mass of two moles of that substance
14.
The molar mass for H2O is-
a)
18.015 g/mol
b)
17.007 g/mol
c)
34.014 g/mol
d)
19.023 g/mol
15.
The molar mass for the compound H3PO4 is-
a)
96 g/mol
b)
98 g/mol
c)
95 g/mol
d)
82 g/mol
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