Alanine is a diprotic amino acid with a pk, = 2.344 for the carboxylic group and a pka = 9.868 for the ammonium group. At pH = 5.32, what is the second most abundant species in solution? (Hint: In its fully protonated form, both the carboxylic acid and ammonium group are protonated) a. H2L* b. H2L c. HL* d. HL e. HL- f. L g. L- O d Ос O e O b O f O a O g
Alanine is a diprotic amino acid with a pk, = 2.344 for the carboxylic group and a pka = 9.868 for the ammonium group. At pH = 5.32, what is the second most abundant species in solution? (Hint: In its fully protonated form, both the carboxylic acid and ammonium group are protonated) a. H2L* b. H2L c. HL* d. HL e. HL- f. L g. L- O d Ос O e O b O f O a O g
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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![Alanine is a diprotic amino acid with a pka = 2.344 for the carboxylic group and a pka = 9.868 for the ammonium group. At pH
5.32, what is the second most abundant species in solution? (Hint: In its fully protonated form, both the carboxylic acid and
ammonium group are protonated)
a. H2L*
b. H2L
с. HL*
d. HL
е. HL
f. L
g. L-
e
a
O g](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F855d757b-cfb1-4f0a-9598-c117ad94b53b%2Feaf89524-e783-46fa-a651-27501274496e%2Ffa43wxc_processed.png&w=3840&q=75)
Transcribed Image Text:Alanine is a diprotic amino acid with a pka = 2.344 for the carboxylic group and a pka = 9.868 for the ammonium group. At pH
5.32, what is the second most abundant species in solution? (Hint: In its fully protonated form, both the carboxylic acid and
ammonium group are protonated)
a. H2L*
b. H2L
с. HL*
d. HL
е. HL
f. L
g. L-
e
a
O g
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