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14-01-2019
Chemistry

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In a solution at 25°C, the [H+] is 3.5 × 10−6 M. What is the [OH−]?

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14-01-2019

Answer: [OH-] = 2.857 x 10∧-9

Explanation:

At 25 °C; the product of [H+] and [OH-] is 10∧-14

[H+] [OH-] = 10∧-14

and [H+] = 3.5 x 10∧-6

[OH-] = 10∧-14 / (3.5 x 10∧-6) = 2.857 x 10∧-9.

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