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Solution of two volatile liquids x and y...

Solution of two volatile liquids `x` and `y` obey Raoult's law. At a certain temperature it is found that when the total pressure above a given solution is `400 mm` of `Hg`, the mole fraction of `x` in the vapour is `0.45` and in the liquid is `0.65`. What are the vapour pressures of two pure liquids at the given temperature?

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