Haryana PMT Haryana PMT Solved Paper-2001

  • question_answer
    What is the amount of urea dissolved perlitre, if aqueous solution is isotonic with 10% cane sugar solution? (Mol. wt. of urea =60)

    A)  \[200g/lit\]

    B)  \[19.2g/lit\]

    C)  \[17.54g/lit\]

    D)  \[16.7g/lit\]

    Correct Answer: C

    Solution :

                    \[{{V}_{1}}=1litre\] and  \[{{V}_{2}}=100mlit\,=0.1\,litre\]                 \[\frac{{{\omega }_{1}}}{{{m}_{1}}{{V}_{1}}}=\frac{{{\omega }_{2}}}{{{m}_{2}}{{V}_{2}}}\] or            \[\frac{{{\omega }_{1}}}{60\times 1}=\frac{10}{342\times 0.1}\] or            \[{{\omega }_{1}}=17.54g/L\]


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