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Haryana PMT Haryana PMT Solved Paper-2008

  • question_answer
    A solution of sucrose (molar mass\[=342\text{ }g/mol\]) is prepared by dissolving 68.4 g of it per litre of the solution, what is its osmotic pressure?     (\[R=0.082L\text{ }atm\text{ }{{K}^{-1}}\text{ m}o{{l}^{-1}}\]) at 273 K

    A)  \[6.02\text{ }atm\]

    B)  \[4.477atm\]

    C)  \[3.4atm\]

    D)  \[5.32atm\]

    Correct Answer: B

    Solution :

                    Osmotic pressure \[\pi =CRT\] \[=\frac{68.4\times 0.082\times 273}{342}\] \[=4.477atm\]


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