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

  • question_answer
    A solution contains non-volatile solute of molecular mass \[{{M}_{p}}\]. Which of the following can be used to calculate molecular mass of the solute in terms of osmotic pressure (m = Mass of solute, V = Volume of solution and  p = Osmotic pressure)                                      [CBSE PMT 2002]

    A)                 \[Mp=\left( \frac{m}{\pi } \right)\,VRT\]\[\]             

    B)             \[Mp=\left( \frac{m}{V} \right)\frac{RT}{\pi }\]

    C)                 \[Mp=\left( \frac{m}{V} \right)\frac{\pi }{RT}\]

    D)                 \[Mp=\left( \frac{m}{V} \right)\,\pi RT\]

    Correct Answer: B

    Solution :

                \[\pi =\frac{n}{V}RT\]\[\Rightarrow {{M}_{P}}=\left( \frac{m}{V} \right)\frac{RT}{\pi }\]


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