Q. At the vapour pressure of is 512 mm Hg, and of acetone, , is 344 mm Hg. A solution of and acetone in which the mole fraction of is 0.25 has a total vapour pressure of 600 mm Hg. Which of the following statements about solution of acetone - is true ?

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Solution:



∴ The solution is showing positive deviation

So For a solution of