Question

derive expression for relative lowering of vapour pressure in case of non volatile solutes.​

Answer 1

Check the attachment mate !!

Answer 2

Hiii

Let us consider a solution obtained by dissolving n moles of a non-volatile solute in N moles of a volatile solvent. Then mole fraction of the solvent, X1 = N/(n+N) and mole fraction of the solute, X2= n /(N +n).