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Home  >>  AIMS  >>  Class12  >>  Chemistry  >>  Liquid Solutions
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What weight of the non-volatile solute, urea ($NH_2 - CO – NH_2$) needs to be dissolved in 100g of water, in order to decrease the vapour pressure of water by 25%? What will be the molality of the solution?

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Hence (A) is the correct answer.
answered Jun 19, 2014 by sreemathi.v
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