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Van't Hoff Factor

On adding sol...

Question

On adding solute to a pure solvent, having vapour pressure 0.80 atm, vapour pressure reduces to 0.60 atm. Mole fraction of solute is

A

0.25

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B

0.75

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C

0.50

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D

0.33

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Solution

The correct option is A
0.25

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