At 25 degrees celcius what is the hydroxide ion concentration, [OH-] in an aqueous solution with...

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At 25 degrees celcius what is the hydroxide ion concentration, [OH-] in an aqueous solution with a hydrogen ion concentration of [H+]=1.2x10^-8M

science chemistry

Answer 1

Answer #1

pH = -log[H+]

pH = -log[1.2x10^-8M]

pH = 7.92

pH + pOH = 14

pOH = 14-7.92

pOH = 6.08

[OH-] = 10^-pOH

[OH-] = 10^-6.08

[OH-] = 8.3176x10^-7M

Answer 2

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