Question: All amino acids have at least two functional groups with acidic or basic properties. In alanine the carboxylic acid group has Ka = 4.5

All amino acids have at least two functional groups with acidic or basic properties. In alanine the carboxylic acid group has Ka = 4.5 × 10^-3 and the amino group has Kb = 7.4 × 10^-5. Three ions of alanine are possible when alanine is dissolved in water. Which of these ions would predominate in a solution with [H⁺] = 1.0 M? in a solution with [OH₂] = 1.0 M?

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a The ions include i 3H ii 1OH iii 5HO The ions with Ka and Kb ... View full answer

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