A solution of a non-volatile solute in water freezes at `-0.40^(@)C`. The vapour pressure of pure
Channel: Doubtnut
Date: 2020-01-19

A solution of a non-volatile solute in water freezes at `-0.40^(@)C`. The vapour pressure of pure water at `298K` is 23.51 torr. For water,`K_(f)=1.86k mol^(-1)kg`.Thus ,vapour pressure of the solution (in torr)