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The molar volume of liquid benzene(Density=0.877) increases by a factor of 2750 as it vaporizes at 20 degrees celsius and that of liquid toluene(density=0.867) increases by a factor of 7720 at 20 degrees celcius.Solution of Benzene and toluene has a vapor pressure of 46 torr. Find the molefraction of Benzene in the vapour above the solution.

The molar volume of liquid benzene(Density=0.877) increases by a factor of 2750 as it vaporizes at 20 degrees celsius and that of liquid toluene(density=0.867) increases by a factor of 7720 at 20 degrees celcius.Solution of Benzene and toluene has a vapor pressure of 46 torr.


Find the molefraction of Benzene in the vapour above the solution.

Grade:12

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