The following illustration shows aspartic acid in its completely protonated form. The pKa values for its most acidic protons are 2.10, 3.86, and 9.82. Which structure corresponds to the most abundant form of the amino acid at pH 1.

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Chapter1: Chemical Foundations
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The following illustration shows aspartic acid in its completely protonated form.
The pKa values for its most acidic protons are 2.10, 3.86, and 9.82. Which
structure corresponds to the most abundant form of the amino acid at pH 1.
a. I
b. Il
с. III
d. IV
e. V
H3N.
I
OH
OH
H3N.
IV
Ө
H3N.
OH
(+)
H3N.
||
aspartic acid
OH2
OH
H3N.
ОН
ОН
V
H3N.
ОН
|||
OH
OH2
Transcribed Image Text:The following illustration shows aspartic acid in its completely protonated form. The pKa values for its most acidic protons are 2.10, 3.86, and 9.82. Which structure corresponds to the most abundant form of the amino acid at pH 1. a. I b. Il с. III d. IV e. V H3N. I OH OH H3N. IV Ө H3N. OH (+) H3N. || aspartic acid OH2 OH H3N. ОН ОН V H3N. ОН ||| OH OH2
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