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Home  >>  AIMS  >>  Class12  >>  Chemistry  >>  Liquid Solutions
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How much urea (molar mass = 60g $mol^{−1}$) should be dissolved in 50 g of water so that its vapour pressure at room temperature is reduced by 25%. Calculate molality of the solution obtained.

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Hence (A) is the correct answer.
answered Jun 10, 2014 by sreemathi.v

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