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The vapour pressures of ethanol and meth...

The vapour pressures of ethanol and methanol are `44.5` and `88.7 mm Hg`, respectively. An ideal solution is formed at the same temperature by mixing `60 g` of ethanol with `40 g` of `methanol`. Calculate the total vapour pressure of the solution and mole fraction of methanol in the vapour.

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The correct Answer is:
`0.657`
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