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Polyprotic Acids & Bases

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    1317

    • The name "polyprotic" literally means many protons.

    Thumbnail: % species formation calculated with the program HySS for a 10 millimolar solution of citric acid. pKa1 = 3.13, pKa2 = 4.76, pKa3 = 6.40. Image used with permission (Public Domain; Petergans).