• What is the ratio of anionic carboxlate to neutral carboxylic acid of an amino acid at pH 7.0

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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PH Pka = 2.4
2-4
• What is the ratio of anionic carboxlate to neutral carboxylic acid
of an amino acid at pH 7.0
• What is the ratio of [NH,/NH,"] at pH 7.0
• What is the degree of deprotonation of the side chain of His
(pKa = 6.5) at pH 7.0?
1) PH = PKq + LogAH
%3D
94.
3) deproto nated PH> Pka
10(PH-Pka)
f 3.1
Transcribed Image Text:questions PH Pka = 2.4 2-4 • What is the ratio of anionic carboxlate to neutral carboxylic acid of an amino acid at pH 7.0 • What is the ratio of [NH,/NH,"] at pH 7.0 • What is the degree of deprotonation of the side chain of His (pKa = 6.5) at pH 7.0? 1) PH = PKq + LogAH %3D 94. 3) deproto nated PH> Pka 10(PH-Pka) f 3.1
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