What is the hydroxide ion concentration in an aqueous solution with a hydrogen ion concentration of concentration 2.70 x 10-2 M?

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asked Apr 19, 2022 606 views

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Matt Crysler · Answer 1 · 2022-04-23T19:52:33+0000

[H+][OH-] = 1x10-14 = Kw (Memorize this relationship)
(2.70x10-2)[OH-] = 1x10-14
[OH-] = 1x10-14/2.70x10-2
[OH-] = 3.70x10-13 M (assuming you ignore the autoionization of H2O)

What is the hydroxide ion concentration in an aqueous solution with a hydrogen ion concentration of concentration 2.70 x 10-2 M?

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