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01-09-2016
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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Willchemistry Willchemistry

01-09-2016

Kw = [ H+] x [ OH-]

1 x 10⁻¹⁴ = [ 3.5 x 10⁻⁶] x [OH-]

[OH-] = 1 x 10⁻¹⁴ / 3.5 x 10⁻⁶

[OH-] = 2.85 x 10⁻⁹ M

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