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BVP Medical BVP Medical Solved Paper-2005

  • 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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