Chemistry, 02.12.2021 17:40 Hockeypro1127
Caffeine’s molecular formula is C8H10N4O2. the molar mass of caffeine is 194 g/mol. what is the percentage of oxygen in caffeine?
a) 8.2%
b) 16.5%
c) 28.9%
d) 49.5%
Answers: 2
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Caffeine’s molecular formula is C8H10N4O2. the molar mass of caffeine is 194 g/mol. what is the perc...
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