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22 May, 23:55

a sample of seawater has a pH of 8. determine the new pH of the sample if the hydrogen ion concentration is increased by a factor of 100

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  1. 23 May, 01:16
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    pH = - log[H⁺]

    8 = - log[H⁺]

    [H⁺] = 10⁻⁸

    if this concentration of hydrogen ion increases to 100 times

    New hydrogen ion concentration

    [H⁺] = 10⁻⁸ x 10²

    = 10⁻⁶

    pH = - log[10⁻⁶]

    = 6

    new pH will be 6.
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