The molal elevation constant of water = 0.52 K m-1. The boiling point of 1.0 molal aqueous KCI solution (assuming complete dissociation of KCI) should be

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100.52°C

101.04°C

99.48°C

98.96°C

answer is B.

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Detailed Solution

∆Tb=Kb×m=0.52×1×2=1.04; ∴Tb=100+1.04=101.04°C

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