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

  • question_answer
    A solution of sucrose(molar mass = 342 g/mol) is prepared by dissolving 68.4 g of it per litre of the solution, what is its osmotic pressure (R = 0.082 lit. atm.\[{{k}^{-1}}\]\[mo{{l}^{-1}}\]) at 273k [UPSEAT 2001]

    A)                 6.02 atm

    B)                 4.92 atm

    C)                 4.04 atm

    D)                 5.32 atm

    Correct Answer: B

    Solution :

             \[\pi =CRT\]                 \[\pi =\frac{w\times R\times T}{mV}=\frac{68.4\times 0.0821\times 273}{342}\]= 4.92 atm


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