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Caffeine Has an Elemental Analysis of 49

Question 123

Multiple Choice

Caffeine has an elemental analysis of 49.48% carbon, 5.190% hydrogen, 16.47% oxygen, and 28.85% nitrogen. It has a molar mass of 194.19 g/mol. What is the molecular formula of caffeine?


A) C4H5N2O
B) C8H10N4O2
C) C10H14N2O2
D) C6H6NO2
E) C5H7NO

Correct Answer:

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