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25 July, 13:43

What is the pOH value of 0.0050 M HCI

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  1. 25 July, 17:11
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    Answer: 11.70

    Explanation:

    The concentration of H + is also 0.0050 M because there is 1 mol of H + per 1 mol of HCl.

    We then use - log (H+) = pH to calculate pH.

    -log (0.0050 M) = pH = 2.30

    pOH + pH = 14 so substitute and solve.

    pOH + 2.30 = 14

    pOH = 11.70
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