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Manipal Medical Manipal Medical Solved Paper-2003

  • question_answer
    1 kg of\[NaOH\]solution contains 4g of\[NaOH\]. The approximate concentration of the solution is:

    A)  about 0.1 N   

    B)  decinormol

    C)  0.1 molal      

    D)  0.1 molar

    Correct Answer: C

    Solution :

     Molecular mass of \[NaOH=23+17=40\] Hence, molality \[(m)=\frac{4}{40\times 0.996}=0.1\]


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