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Two liquid A and B form an ideal solutio...

Two liquid A and B form an ideal solution. The solution has a vapour pressure of 700 torr at `90^(@)"C"`. It is distilled till `2//(3^("rd"))` of the solution is collected condensate. The composition of the condensate is `"X'"_("A")=0.75` and that of the residue is `"X'"_("A")=0.3.`If the vapour pressure of the residue at `90^(@)"C"` is 600 torr, Which of the following option is correct.

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