JEE Main 2010Annual, Paper 1ChemistryEasySolutions71× since 2002
If sodium sulphate is considered to be completely dissociated into cations and anions in aqueous
solution, the change in freezing point of water (∆T_f), when 0.01 mol of sodium sulphate is dissolved
in 1 kg of water, is (K_f = 1.86 K kg mol^–1)