Name ____________________________________
Period ________
Molar Mass Worksheet
Calculate the molar mass of the following compounds in g/mol. Identify whether the molar mass is a
molecular mass or a formula mass in the Type field. Round all atomic masses to the nearest 0.1 g/mole.
Ba(NO3)2
Type: formula mass
Element Atoms Atomic mass
Total
Ba
1 x
137.3
= 137.3
N
2 x
14.0 =
28.0
O
6 x
16.0 = + 96.0
261.3 g/mol
NaOH
Type: _________________
Element Atoms Atomic mass
Total
Na
O
H
__________
NH3
Type: _________________
Element Atoms Atomic mass
Total
__________
Type: _________________
CO2
Element Atoms Atomic mass
Total
__________
C6H12O6
Type: _________________
Element Atoms Atomic mass
Total
Na2CO3
Type: _________________
Element Atoms Atomic mass
Total
Na
C
O
__________
__________
CH3OH
Type: _________________
CH3CO2H
Type: _________________
NH3CH2CO2H
Type: _________________
CaCl2
Type: _________________
Element Atoms Atomic mass
Total
__________
Al2(SO4)3
Type: _________________
Element Atoms Atomic mass
Total
__________
magnesium hydroxide Type: _______________
Element Atoms Atomic mass
Total
__________