J & K CET Engineering J and K - CET Engineering Solved Paper-2007

  • question_answer
    Calculate the pH of a solution in which hydrogen ion concentration is 0.005 g-equi/L?

    A)  2.3           

    B)  2.8

    C)  2.9           

    D)  2.6

    Correct Answer: A

    Solution :

    \[pH=-\log [{{H}^{+}}]=-\log [0.005]\] \[=-\log [5\times {{10}^{-3}}]=2.3\]


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