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JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Hydrogenion concentration pH scale and buffer solution

  • question_answer
    What will be hydrogen ion concentration in moles \[litr{{e}^{-1}}\] of a solution, whose \[pH\] is 4.58     [UPSEAT 2001]

    A)                 \[2.63\times {{10}^{-5}}\]

    B)                 \[3.0\times {{10}^{-5}}\]

    C)                 \[4.68\]

    D)                 None of these

    Correct Answer: A

    Solution :

               \[[{{H}^{+}}]=\text{Antilog}\,(-4.58)\];                                 \[[{{H}^{+}}]=2.63\times {{10}^{-5}}\,\,\,moles/litre\]   


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