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NEET Sample Paper NEET Sample Test Paper-71

  • question_answer
    The osmotic pressure at \[17{}^\circ C\] of an aqueous solution containing 1.75 g of sucrose per 150 ml solution is

    A) 0.8 atm

    B)               0.08 atm

    C) 8.1 atm                        

    D) 9.1 atm

    Correct Answer: A

    Solution :

    \[\pi = CRT =\frac{n}{V}RT = \frac{\frac{1.75}{342}}{\frac{150}{1000}}\times  0.0821 \times  290\] \[=\,\,\,\, 0.81196= 0.8 1\,\,atm\]


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