Calculate the [OH-] of an aqueous solution with the following [H30+]?

Please Help, this wasnt taught in class and its in the HW.

coffee, 1.0 x 10 -5M

Soap, 1.0 x 10 -8 M

2006-11-28 13:46:25 · 1 answers · asked by chemistrymagic 1 in Science & Mathematics ➔ Mathematics

pH + pOH = 14
coffe : pH = 5 => pOH = 9 => [OH-] = 10^-9 M
soap : pH = 8 => pOH = 6 => [OH-] = 10^-6M

2006-11-28 13:52:31 · answer #1 · answered by James Chan 4 · 0⤊ 0⤋

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