Air is about 78% nitrogen gas (n2) by mass. the molar mass of nitrogen gas is 28.0
g/mol. a 1...
Chemistry, 05.12.2019 17:31 kayonapretty14p45995
Air is about 78% nitrogen gas (n2) by mass. the molar mass of nitrogen gas is 28.0
g/mol. a 100.0-g sample of air contains how many moles of nitrogen?
a 2.8
b 3.6
c 28
d 78
Answers: 1
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