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What is the molar mass of a nonpolar molecular compound if 6.34 g dissolved in 53.4...

What is the molar mass of a nonpolar molecular compound if 6.34 g dissolved in 53.4 g benzene begins to freeze at 2.81 °C? The freezing point of pure benzene is 5.50 °C and the freezing point depression constant, Kf, is -5.12 °C/m.

A. 2.26 x 10-4 g/mol

B. 0.226 g/mol

C. 12.1 g/mol

D. 226 g/mol

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