11-04-2021
Chemistry

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In an aqueous solution at 25°C, if [H30+] = 3.3 * 10^4 M, then [OH-] is:

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11-04-2021

Answer:

[OH-] = 3.0 x 10^-19 M

Explanation:

[H3O+][OH-] = Kw

Kw = 1.0 x 10^-14

[H3O+][OH-] = 1.0 x 10^-14

[OH-] = 1.0 x 10^-14 / 3.3 x 10^4 = 3.0 x 10^-19

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