Question

Liquids A and B form an ideal solution. At 30°C,the total vapour pressure of a solution containing1 mol of A and 2 moles of B is 250 mm Hg. Thetotal vapour pressure becomes 300 mm Hg when1 more mol of A is added to the first solution. Thevapour pressures of pure A and B at the sametemperature are :- ​

Answer 1

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