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Haryana PMT Haryana PMT Solved Paper-2004

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

    A)  about \[0.1N\]   

    B)  decinormol

    C)  0.1 molal      

    D)  0.1 molar

    Correct Answer: C

    Solution :

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


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