KCET 2020 Chemistry Solved Paper

Question : 49 of 60

Marks: +1, -0

Solute 'X' dimerises in water to an extent of 80%.2.5g of ' X′ in 100g of water increases the boiling point by 0.3°C. The molar mass of X is: [Kb=0.52Kkgmol−1. ]