0.440 g of a substance dissolved in 22.2 g of benzene lowered the free – McqOptions

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1.	0.440 g of a substance dissolved in 22.2 g of benzene lowered the freezing point of benzene by \[{{0.567}^{o}}C\]. The molecular mass of the substance \[({{K}_{f}}={{5.12}^{o}}C\,mo{{l}^{-1}})\] [BHU 2001; CPMT 2001]
A.	178.9
B.	177.8
C.	176.7
D.	175.6
Answer» B. 177.8

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