the boiling point of 0.15 molar aqueous solution of an unknown solute is 373.23 K at 1 atm . The molal elevatio constant of water is ______ K kg mol ^(-1)

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the boiling point of 0.15 molar aqueous solution of an unknown solute is 373.23 K at 1 atm . The molal elevatio constant of water is ______ K kg mol ^(-1)

Asked by rautganesh2255 | 01 Jul, 2021, 09:32: AM

Expert Answer

Dear Student,

This question is based on concept of 'Elevation in Boiling Point'.

M o l a l i t y equals space 0.15 space straight m straight T subscript straight f space equals 373.23 space straight K straight T subscript straight i equals 373.15 fraction numerator 373.23 minus 373.15 over denominator 0.15 end fraction equals straight K subscript straight f straight K subscript straight f equals 0.53

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