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The vapour pressure of benzene at80^(@)C...

The vapour pressure of benzene at`80^(@)C` is lowered by `10mm` by dissoving `2g`of a non-volatile substance in`78g`of benzene .The vapour pressure of pure benzene at `80^(@)C`is `750mm`.The molecular weight of the substance will be:

A

15

B

150

C

1500

D

148

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The correct Answer is:
D
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FIITJEE-LIQUID SOLUTION -ASSIGNMENT PROBLEMS (OBJECTIVE) level-I
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