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11 September, 09:57

At 25 °c, what is the hydroxide ion concentration, [oh-], in an aqueous solution with a hydrogen ion concentration of [h ] = 3.0 * 10-5 m?

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  1. 11 September, 10:26
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    As,

    Water has a pkw=14

    so it can be represented as,

    [H+] [OH-] = 1*10^-14

    If [H+] = 3*10^-5M

    [OH-] = (1*10^-14) / (3*10^-5)

    [OH-] = 3.3*10^-9 M
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