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The Amino Acid Alanine,HOOC-CH(CH3)NH3+,has Ka1 = 4 α\alpha (-OOC-CH(CH3)NH3+)at PH 3

Question 14

Multiple Choice

The amino acid alanine,HOOC-CH(CH3) NH3+,has Ka1 = 4.5 * 10-3 and Ka2 = 1.4 * 10-10.Calculate α\alpha (-OOC-CH(CH3) NH3+) at pH 3.


A) 0
B) 0.82
C) 0.18
D) 0.29
E) 0.58

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