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

  • question_answer
    The weight of pure \[NaOH\] required to prepare \[250c{{m}^{3}}\] of \[0.1N\] solution is   [KCET 1991; Kerala PMT 2004]

    A)                 \[4g\]      

    B)                 \[1g\]

    C)                 \[2g\]      

    D)                 \[10g\]

    Correct Answer: B

    Solution :

              \[N=\frac{w}{E\times V(l)}\]Þ \[0.1=\frac{w}{40\times 0.25}\Rightarrow w=1\,gm\]


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