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The vapour pressure of benzene is 53.3 k...

The vapour pressure of benzene is `53.3 k P_(a)` at `60.6^(@)` but it falls to `51.5 kP_(a)` when 19 g of a non-volatile organic compound is dissolved in 500 g benzene . The molar mass of the non-volatile compound is close to :

A

82

B

85

C

88

D

92

Text Solution

Verified by Experts

The correct Answer is:
B
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