Vapour Pressure and Mole Fraction (JEE Mains) | ExamDuo
Relative lowering of vapour pressureMedium
Vapour Pressure and Mole Fraction
When a non-volatile solute is added to the solvent, the vapour pressure of the solvent decreases by
10 mm of Hg. The mole fraction of the solute in the solution is 0.2. What would be the mole fraction of the solvent if decrease in vapour pressure is 20 mm of Hg ?