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JEE Main & Advanced Chemistry Solutions / विलयन Question Bank Lowering of vapour pressure

  • question_answer
    The vapour pressure of water at \[{{20}^{o}}C\] is 17.54 mm. When 20g of a non-ionic, substance is dissolved in 100g of water, the vapour pressure is lowered by 0.30 mm. What is the molecular weight of the substances       [UPSEAT 2001]

    A)                 210.2     

    B)                 206.88

    C)                 215.2     

    D)                 200.8

    Correct Answer: B

    Solution :


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