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A solution prepared by dissolving a 2.50...

A solution prepared by dissolving a 2.50 g sample of an unknown compound dissolved in `34.0` g on benzene , `C_(6)H_(6)` , boils `1.38^(@) C ` higher than pure benzene . Which expression gives the molar mass of the unknown compound ?

A

`2.53 xx (2.50)/(1.38)`

B

`1.38 xx (34.0)/(2.53) xx 2.50`

C

`2.50 xx 10^(3) xx (2.53)/(1.38) xx (1)/(34)`

D

`2.50 xx 10^(3) xx (2.53)/(1.38) xx 2.53 `

Text Solution

Verified by Experts

The correct Answer is:
C
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