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4 December, 12:21

The pOH of a solution is 9.21. Calculate the hydrogen ion concentration of the solution. Be sure to report your answer to the correct number of significant figures

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  1. 4 December, 12:29
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    [OH-] = 6.17 * 10^-10

    Explanation:

    Step 1: Data given

    pOH = 9.21

    Step 2: Calculate [OH-]

    pOH = - log [OH-] = 9.21

    [OH-] = 10^-9.21

    [OH-] = 6.17 * 10^-10

    Step 3: Check if it's correct

    pOH + pH = 14

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

    pH = 14 - 9.21 = 4.79

    [H+] = 10^-4.79

    [H+] = 1.62 * 10^-5

    6.17 * 10^-10 * 1.62 * 10^-5 = 1 * 10^-14
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