The pKa values of alpha-amino group, carboxylic acid group and the sidechain group of arginine are 9.04, 2.17 and 12,48 respectively. What percentage of arginine molecules would be neutral in a solution of arginine at pH 13?

The pKa values of alpha-amino group, carboxylic acid group and the sidechain group of arginine are 9.04, 2.17 and 12,48 respectively. What percentage of arginine molecules would be neutral in a solution of arginine at pH 13?

Appl Of Ms Excel In Analytical Chemistry

2nd Edition

ISBN:9781285686691

Author:Crouch

Publisher:Crouch

Chapter8: Polyfunctional Acids And Bases

Section: Chapter Questions

Problem 14P

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Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.

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Definition Definition Class of organic compounds that contain a carboxyl group ( - COOH ) and has a general formula R - COOH or R - CO 2 H , where R refers to the alkyl, alkenyl, aryl, or other groups. They can undergo different chemical reactions, such as acid-base reactions, esterification, and oxidation. These are essential components of living organisms, playing important roles in metabolic processes, signaling, and as pharmaceuticals.

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