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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 (Kf 39.7C/m) , decreasing the freezing point of camphor by 3.07C. 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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