The freezing point of `0.20 M` solution of week acid `HA`  is `272.5 K`. The molality of the
Channel: Doubtnut
Date: 12/07/2020

The freezing point of `0.20 M` solution of week acid `HA`  is `272.5 K`. The molality of the solution is `0.263 "mol" kg^(-1)`. Find the pH of the solution on adding `0.25 M` sodium acetate solution.  `K_(f)` of water =`1.86 K m^(-1)`