11-04-2021
Chemistry

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Question 33 of 45
The concentration of the hydronium ion in an aqueous solution at 25
°C is 0.0056 M. What is the concentration of the hydroxide ion?

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11-04-2021

Answer:

[OH-] = 1.8 x 10^-12 M

Explanation:

[H3O+][OH-] = Kw

Kw = 1.0 x 10^-14

[OH-] = 1.0 x 10^-14 / 0.0056 = 1.8 x 10^-12 M

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