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Caffeine contains by mass 49.5% C, 5.15% H, 28.9% N and 16.5% O,...

Caffeine contains by mass 49.5% C, 5.15% H, 28.9% N and 16.5% O, and the molecular mass is 195g/mol. What are the empirical and molecular formulas of caffeine?   Please show all work for understanding. Thank you :)

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Step-by-step explanation

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