1.

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

Answer»

23.4 mm
24.8 mm
34.8 mm
40 mm

Answer :A


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