A 300 Mg Sample of Caffeine Was Dissolved in 10

question 40

Multiple Choice

A 300 mg sample of caffeine was dissolved in 10.0 g of camphor (K_f  39.7C/m) , decreasing the freezing point of camphor by 3.07C. What is the molar mass of caffeine?

• A)47.0 g/mol
• B)194 g/mol
• C)388 g/mol
• D)94.0 g/mol
• E)97.0 g/mol

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