An aqueous solution of a non-electrolyte solute boils at 100.52ºC. The freezing point of the solution will be (Kf = 1.86K Kg mol-1, Kb = 0.52 K kg mol-1)

0 0 100.52 0.52 b b T C T C 0 0 0 0 ? f f T C T Solution is the same its molality is constant 0 0 0.52 1.86 1.86 0.52 1.86 f b f b f f f T T k k T T C T C x 101. The boiling point of water is 100ºC. What will be the boiling point of an aqueous solution containing 0.6g of urea (molar mass = 60) in 100g of water? (Kb for water = 0.52 K/m) (a) 100.052ºC (b) 101.052ºC (c) 120.52ºC (d) None of these b 2 b 2 1 1000 K w T M w x x x 0 1000 0.52 100 1 1000 0.052 0.052 1000