Q 42/75 Which of the following statement is correct? a)Two different solutions of urea of same molality will have same depression in freezing point.b) Best method to calculate molar mass of biomolecule is via relative lowering in vapour pressure. c)Decreasing order of osmotic pressure at the same temperature for 0.1M aqueous solution of `BaCl_(2)` KCl and sucrose is `BaCl_(2)`> KCl> sucrose.d) van't Hoff factor of 0.1MNaCl and 0.1M`CaCl_(2)` aq.solution is same