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Sources of acids. . H2O dissolved CO2. H2CO3. Volatile acids. Non-volatile acids. Inorganicacid. Organicacid. Lacticacid. Ketoacid. . . . . H HCO3-. . . Henderson-Hasselbalch. pH = pKa log [A-] [HA]andpH = pKa log [HCO3-] = 6.1 log [HCO3-]
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1. Acid-Base Analysis