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JEE Main & Advanced Chemistry Solutions / विलयन Question Bank Method of expressing concentration of solution

  • question_answer
    The weight of \[{{H}_{2}}{{C}_{2}}{{O}_{4}}.\,2{{H}_{2}}O\] required to prepare \[500ml\] of \[0.2N\] solution is     [EAMCET 1991]

    A)                 \[126g\]

    B)                 \[12.6g\]

    C)                 \[63g\]    

    D)                 \[6.3g\]

    Correct Answer: D

    Solution :

               1000 ml of 1 N oxalic solution = 63 g            500 ml of 0.2 N oxalic acid solution                  = \[\frac{63}{1000}\times 500\times 0.2=6.3\,\,g\].


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