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The vapour pressures of ethanol and methanol are 42.0 mm and 88.5 mm Hg respectively. An ideal solution is formed at the same temperature by mixing 46.0 g of ethanol with 16.0 g of methanol. Find the mole fraction of methanol in the vapour.

1 Answer

Hence (B) is the correct answer.
answered Jun 9, 2014 by sreemathi.v

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