Question

A sample of air contains only n2 ,o2 and h2o it is saturated with water vapours and the total pressure 640 torr the vapour pressure of water is 40 torr and molar ratio of n2 and o2 is 3:1 the

Answer 1

Hey mate here's your answer

Pressure of N2 and O2= 640-40=600 torr

PN2 = 1/4x600 = 450 torr