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An X molal solution of a compound in ben...

An X molal solution of a compound in benzene has mol e fraction of solute ` =0.2. ` The value of X is

A

14

B

3.2

C

1.4

D

2

Text Solution

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The correct Answer is:
B

Relation between molality and mole fraction is
`m = (1000 xx x_2)/(0.8 xx 78) = 3.2`
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