Caffeine Has an Elemental Analysis of 49

question 27

Multiple Choice

Caffeine has an elemental analysis of 49.48% C,5.190% H,16.47% O,and 28.85% N.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

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