Unformatted text preview: less than 100 x the K , you cannot ignore x in the denominator. . K b = x 2 .2 M  x pOH =  log {OH] = 1.16 pH = 14 – 1.16 = 12.84 If use the quadratic equation to solve for x, Correction to Problem 25, Part d. (Correction is shown in red. I had mistakenly used the pKa instead of the pKb.)...
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 Winter '08
 Hilt
 pH, Hydrogen ion concentration, Phosphoric acid, Kb equation

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