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JCECE Engineering JCECE Engineering Solved Paper-2015

  • question_answer
    The osmotic pressure of a \[5%(wt./vol)\] solution of cane sugar at \[{{150}^{o}}C\] is

    A) \[3.078\,\,atm\]                              

    B) \[4.078\,\,atm\]

    C) \[5.078\,\,atm\]                              

    D) \[2.45\,\,atm\]

    Correct Answer: C

    Solution :

    \[C=\frac{5}{342}\times \frac{1}{100}\times 1000\]                 \[C=\frac{50}{342}mol/L\] \[\pi =CRT=\frac{50}{342}\times 0.082\times 423=5.07\,\,atm\]


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