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Question
When a 28.4-g sample of an unknown compound is dissolved in 500. g of benzene, the freezing point of the resulting solution is 3.77ºC. The freezing point of pure benzene is 5.48ºC, and Kf for benzene is 5.12ºC/m. Calculate the molar mass of the unknown compound.A) 145 g/mol
B) 170. g/mol
C) 85.0 g/mol
D) 340 g/mol
E) 16.6 g/mol
Answer
This answer is hidden. It contains 1 characters.
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