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JAMIA MILLIA ISLAMIA Jamia Millia Islamia Solved Paper-2011

  • question_answer
        The pH of a solution of hydrochloric acid is 4. The molarity of this solution is

    A)  4.0                                        

    B)  0.4

    C)  0.0001                 

    D)  0.04

    Correct Answer: C

    Solution :

                    \[pH=-\log [{{H}^{+}}]\]\[[{{H}^{+}}]={{10}^{-pH}}={{10}^{-4}}mol\,{{L}^{-1}}\]


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