JEE Main & Advanced Chemistry Solutions / विलयन Question Bank Osmosis and Osmotic pressure of the solution

  • question_answer
    The concentration in gms per litre of a solution of cane sugar \[(M=342)\]  which is isotonic with a solution containing \[6\,gms\] of urea \[(M=60)\] per litre is [Orissa PMT 1989]

    A)                 3.42       

    B)             34.2

    C)                 5.7         

    D)                 19

    Correct Answer: B

    Solution :

             Isotonic solution = \[\frac{{{w}_{1}}}{{{m}_{1}}{{V}_{1}}}=\frac{{{w}_{2}}}{{{m}_{2}}{{V}_{2}}}\]                 \[=\frac{{{w}_{1}}}{342\times 1}=\frac{6}{60\times 1}\,=\frac{342\times 6}{60}=34.2\].


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