1.
1.0molal1.0\,\text{molal} aqueous solution of an electrolyte A2B3\text{A}_2\text{B}_3 is 60%60\% ionised. The boiling point of the solution at 1atm1\,\text{atm} is (Kb(H2O)=0.52K⋅kg⋅mol1K_b(\text{H}_2\text{O}) = 0.52\,\text{K·kg·mol}^{-1})