Unformatted text preview: proton? If not, which functional group donates its proton more readily and what is its approximate pKa? 1e. In what pH range can this amino acid be used as an effective buffer due to its amino group? 1f. In a 0.1M solution of this amino acid at pH8.6, what fraction of the molecules are in the NH 3 + form? 1g. Draw the structure of this amino acid that predominates at pH7 and include any hydrogen-bonded water molecules....
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- Spring '08