Chemistry - Liquid Solution Question with Solution | TestHub

$P_1=$ Vapour pressure of solution ${\mathrm{P}}_1^0=$ Vapour pressure of pure solvent Mole fraction of solute $=\frac{{\mathrm{P}}_1^0-{\mathrm{P}}_1}{{\mathrm{P}}_1^0}=\frac{\Delta \mathrm{P}}{{\mathrm{P}}_1^0}$