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OpenStudy (anonymous):
12. Calculate the hydroxide ion concentration of a solution with pH = 10.25. Show all calculations leading to an answer.
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OpenStudy (nechirwan):
pH + pOH = 14 10.25 + pOH = 14 pOH = 14 - 10.25 = 3.75 Now, knowing the pOH we can find the OH^- since pOH is -log [OH-] [OH-] = 10^-3.75 = 1.78x10^-4 M
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