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7 June, 04:38

What is the ph of a solution of base with a 0.051 M concentration of hydroxide ions

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  1. 7 June, 08:33
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    12.7.

    Explanation:

    ∵ pOH = - log[OH⁻].

    [OH⁻] = 0.051 M.

    ∴ pOH = - log[OH⁻] = - log (0.051 M) = 1.29.

    ∵ pH + pOH = 14.

    ∴ pH = 14 - pOH = 14 - 1.292 = 12.7.
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