0.5 molal aqueous solution of a weak acid (HX) is 20% ionised. If Kf f – InterviewSolution

1.	0.5 molal aqueous solution of a weak acid (HX) is 20% ionised. If Kf for water is 1.86 K kg mol−1, the lowering in freezing point of the solution is
Answer» $0.5$ molal aqueous solution of a weak acid (HX) is $20 %$ ionised. If $K_{f}$ for water is $1.86 {K kg mol}^{- 1}$ , the lowering in freezing point of the solution is

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