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At 15°C, the value of Kw is 4.5 * 10⁻¹⁵. What is the equilibrium concentration of OH⁻ at this temperature?

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  1. 1 June, 17:01
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    [H3O+][OH-] = 4.5 x 10^-15

    [H3O+] = [OH-] = 6.7 x 10^-8 M

    Explanation: do the math
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