Answer to Question #287201 in General Chemistry for Nik Nik

Question #287201

A sample of an organic compound (a nonelectrolyte) weighing 1.35 g lowered the freezing point of 10.0 g of benzene by 3.66 °C. Calculate the molar mass of the compound.


1
Expert's answer
2022-01-14T05:30:02-0500

Lowering in freezing point = ( kf ) .m


3.66 = ( 1.86 ) × ( 1.35× 1000 / M × 10 )


M = 68.67 g / mol .


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