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CET Karnataka Medical CET - Karnataka Medical Solved Paper-2000

  • question_answer
    litre solution of urea contains 240 g urea. The active mass of urea will be

    A)  \[0.04\]            

    B)  \[0.02\]

    C)  \[0.4\]             

    D)  \[0.2\]

    Correct Answer: C

    Solution :

    \[\because \] 10 litre of urea solution contains area = 240 gm The active mass of urea =? \[\therefore \]1 litre of urea solution contains urea \[\frac{240}{10}=24gm\] \[\therefore \] Active mass \[=\frac{24}{60}=0.4\] [Mol. wt. of urea \[(N{{H}_{2}}CON{{H}_{2}})\] \[=14+2+12+16+14+2=60\]]


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