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9 September, 21:00

If the [H3O+] of a solution is 1x 10-8 mol/L the [OH-] is

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  1. 9 September, 21:08
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    (H30+) = 1x10^-6 M

    Explanation:

    Both pH and pOH have a relationship to belonging to the same aqueous solution: the expression of the Kwater (ionic product of the water Kw) is used:

    1x 10-8 mol/L equals to1x10-8 M

    (H3O+) x (OH-) = 1x10^-14

    (H30+) x 1x 10^-8 = 1x10^-14

    (H30+) = 1x10^-14/1x 10^-8

    (H30+) = 1x10^-6 M
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