Molality of a solution of non volatile solute (A)=1 Elevation in boiling point is given by ∆Tb=Kbm 3=Kb×1 Molality of (A) in the same solvent =2 Depression in freezing point is given by ∆Tf=Kfm 6=Kf×2‌‌...(2) ‌ Dividing ‌(1)‌ by ‌(2) ‌
