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Calculate the molal elevation constant ,...

Calculate the molal elevation constant , `"K"_("b")` for water and the boiling point of 0.1 molal urea solution. Latent heat of vaporisation of water is 9.72 kcal `"mol"^(-1)` at 373.15K.

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The correct Answer is:
`K_b` = 0.512 kg/mol `K^(–1)`, T = 373.20 K
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