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16 July, 11:20

What is [OH-] for a solution at 25°C that has [H3O+] = 2.35 * 10-3 M?

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  1. 16 July, 12:12
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    4.26x10^-12M

    Explanation:

    The following were obtained from the question:

    [H3O+] = 2.35x10^-3M

    [OH-] = ?

    Recall: [H3O+] x [OH-] = 1 x10^-14

    2.35x10^-3 x [OH-] = 1 x10^-14

    Divide both side by 2.35x10^-3

    [OH-] = 1 x10^-14/2.35x10^-3

    [OH-] = 4.26x10^-12M
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