The [OH-] of a solution is 7.89 10^-12 M. What is the pH of the solution? it acidic or basic? *

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The [OH-] of a solution is 7.89 10^-12 M. What is the pH of the solution? it acidic or basic? *

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Ngọc Khuê 3 years 2021-07-18T18:28:22+00:00 1 Answers 9 views 0

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  1. thugiang
    0
    2021-07-18T18:29:37+00:00
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    Answer: pH = 2,897 , basic[H+][OH-] = 10^{-14} ==> [H+] = \frac{10^{-14}}{7,89*10^{-12} } =\frac{1}{789} \\pH= -lg([H+]) = 2,897 \\pH<7 ==> basic

    Explanation:

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