Liquids A and B form ideal solution over...

Liquids A and B form ideal solution over the entire range of composition . At temperature, T, equimolar binary solution of liquids A and B has vapour pressure 45 torr. At the same temperature, a new solution of A and B having molefraction `x_(A)` and `x_(B)` respectively, has vapour pressure of `22.5` torr. The value of `x_(A)//x_(B)` in the new solution is

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Apply the equation `P=x_(A)P_(A)(0)+x_(B)P_(B)^(0)` twice

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Liquids A and B form ideal solution over the entire range of composition. At temperature T, equimolar binary solution of liquids A and B has vapour pressure 45 torr. At the same temperature, a new solution of A and B having mole fractions x_(A) and x_(B) , respectively, has vapours pressure of 22. torr. The value of x_(A)//x_(B) in the new solution is ______. (Given that the vapour pressure of pure liquid A is 20 torr at temperature T).

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Liquids A and B form an ideal solution in the entire composition range. At 350K, the vapour pressures of pure A and B are 9 xx 10^3 Pa and 16 xx 10^3 Pa, respectively. The composition of the vapour in equilibrium with a solution containing 30 mole percent of A at this temperature is:

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