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

  • question_answer
    Aqueous solution of \[HCl\] has the \[pH=4\]. Its molarity would be                                        [RPMT 1999]

    A)                 4 M       

    B)                 0.4 M

    C)                 0.0001 M             

    D)                 10 M

    Correct Answer: C

    Solution :

                    \[pH=4\] means; \[[{{H}^{+}}]={{10}^{-4}}\,\,mol\]


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