A sample of air contains only `N_(2), O_(2)` and `H_(2)O`. It is saturated with water vapours
Channel: Doubtnut
Date: 11/11/2021

A sample of air contains only `N_(2), O_(2)` and `H_(2)O`. It is saturated with water vapours and the total pressure is 640 torr. The vapurs of water is 40 torr and the molar ratio of `N_(2) : O_(2)` is `3 : 1`. The partial pressure of `N_(2)` in the sample is