Which of the following statements are true about weak acids? (select all that are correct) a) They have a pKa within the pH range that might be encountered in foods. b) At a pH at or near the pKa they are partially dissociated. c) At a pH more than 2 units below the pKa they are almost completely dissociated. d) They include commonly encountered food acids such as acetic, lactic, citric and galacturonic. e) They include mineral acids such as hydrochloric, sulfuric and nitric. There are more than 1 answer

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