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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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
Transcribed Image Text:Threonine
Threonine is an amino acid (H₂B* when fully protonated) with pKa1 =
2.088 and pKa2 = 9.100.
D
What is the principal (predominate) species of threonine in solution
at pH 4.50?
OH₂B+
OHB
B
There is not enough information to answer the question.
-
Calculate the fraction (%) of threonine that is fully deprotonated at
pH 7.318.
Type your answer...
DO
You dissolve 1.69 moles of the threonine sodium salt (NaB) in a 1-L
volumetric flask. What is the pH of this solution?
Type your answer...
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