Mcthyl alcohol and cthyl alcohol have vapour pressure cqual to 88.5 mm and 42.0 mm respectively...

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Mcthyl alcohol and cthyl alcohol have vapour pressure cqual to 88.5 mm and 42.0 mm respectively at 45°C. If 16.0 g of methanol and 46.0 g of ethanol are mixed at 45°C, the mole fraction of methanol in the vapour is........(the mixture may be taken as ideal solution). (a) 0.467 (b) 0.502 (c) 0.513 (d) 0.556 Mcthyl alcohol and cthyl alcohol have vapour pressure cqual to 88.5 mm and 42.0 mm respectively at 45°C. If 16.0 g of methanol and 46.0 g of ethanol are mixed at 45°C, the mole fraction of methanol in the vapour is........(the mixture may be taken as ideal solution). (a) 0.467 (b) 0.502 (c) 0.513 (d) 0.556