The vapour pressure of pure benzene is 640 mm at 298K. A solution of a – InterviewSolution

1.	The vapour pressure of pure benzene is 640 mm at 298K. A solution of a solute in benzene shows a vapour pressure of 630 mm at the same temperature. Then the mole fraction of the solute is
Answer» 0.016 0.18 `0.20` `0.25` ANSWER :A

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