Q 1270180916.     Calculate the total vapour pressure of the solution and the mole fraction of methanol in the vapour, if the vapour pressure of ethanol and methanol are `44.5` and `88.7` mm Hg respectively. An ideal solution is formed at the same temperature by the mixing `60` g of ethanol with `40` g of methanol.

JEE-MIS
A

`66.16 ` mm & `0.657`

B

`6.616` mm & `0.657`

C

`6.616` mm & `6.570`

D

`66.16` mm & `6.570`

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