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An ideal binary liquid solution of A and...

An ideal binary liquid solution of A and B has a vapour pressure of `900 mm` of Hg.It is distilled at constant temperature till `2/3` of the original amount is distilled. If the mole fraction of A in residuce and mole fraction of B is condensate is `0.3` and `0.4` respectively and vapour pressure of residue is `860` mm of Hg then identify the correct options.

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