ine is a diprotic amino acid with a pk = 2.344 for the carboxylic group and a pK, = 9.868 for the ammonium group. At pH = 5.32, what is the second most abundant species in solution? (Hint: In its fully onated form, both the carboxylic acid and ammonium group are protonated) L

ine is a diprotic amino acid with a pk = 2.344 for the carboxylic group and a pK, = 9.868 for the ammonium group. At pH = 5.32, what is the second most abundant species in solution? (Hint: In its fully onated form, both the carboxylic acid and ammonium group are protonated) L

Chemistry

10th Edition

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

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
%3D
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-
O d
O e
O b
O f
O a
O g

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