A solution of a non-volatile solute in water freezes at 0.30° C. The vapour pressure of pure water at 298 K is 23

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Q 2667134085.     A solution of a non-volatile solute in water freezes at 0.30° C. The vapour pressure of pure water at 298 K is
23.51 mm and K_f for water is 1.86 K kg mol^(-1) , Calculate the vapour pressure of this solution at 298 K`.

JEE 1984

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