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14 October, 08:29

Which ph represents a solution that releases 100 times less hydrogen ions than a ph of 9?

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  1. 14 October, 11:31
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    The equation relating pH and the concentration of H + ions is written below:

    pH = - log[H+]

    So, if pH = 9

    9 = - log[H+]

    [H+] = 1*10⁻⁹

    The ratio of the larger H + to the lesser H + should be 100.

    1*10⁻⁹/[H+] = 100

    [H+] = 1*10⁻¹¹

    pH = - log[1*10⁻¹¹] = 11
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