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13 September, 09:04

What is the ph of a solution with a hydroxide ion, oh-, concentration of 5.4 x 10-4 m?

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  1. 13 September, 11:29
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    POH = - log[OH-]

    pH + pOH = 14 (at 25 degrees celsius)

    pOH = - log (5.4*10^-4) = 3.27

    pH = 14 - 3.27 = 10.73

    The pH of a solution with a hydroxide ion concentration of 5.4*10^-4 M is 10.73.
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