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please help double checking the answers of the following question. Some of the answers I have put may be incorrect

please help double checking the answers of the following question. Some of the answers I have put may be incorrect

Chemistry
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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please help double checking the answers of the following question. Some of the answers I have put may be incorrect

The graph represents the titration of an amino acid with NaOH solution. A. At what pH is the average net charge 1/2? pH = 2.34 B. Where does the amino acid have a net charge of +1? ● below pH 2.34 O at pH = 2.34 at pH = 6.01 at pH=9.69 O above pH 9.69 1/2 of COOH reacted= 2.34 when 1/2 of COOH has reacted, the pH = 2.5 10 0 0 0 О 9.00 C. At what point has enough base been added to react with 1/2 of the COOH groups? ● 9.69 6.01 O 1.53 10.5 3.00 12- 11- 10- E. What is the pl (isoelectric point)? 9- D. At which pH value does the amino group of amino acid have the best buffering capacity? pl= 6.01 8- 7- 5- 4- 3 2- 1- 0 pl=6.01 pk =234 0.5 1.0 pk = 9.69 1.5 OH (equivalents) 2.0 equivalents OH™
Transcribed Image Text:The graph represents the titration of an amino acid with NaOH solution. A. At what pH is the average net charge 1/2? pH = 2.34 B. Where does the amino acid have a net charge of +1? ● below pH 2.34 O at pH = 2.34 at pH = 6.01 at pH=9.69 O above pH 9.69 1/2 of COOH reacted= 2.34 when 1/2 of COOH has reacted, the pH = 2.5 10 0 0 0 О 9.00 C. At what point has enough base been added to react with 1/2 of the COOH groups? ● 9.69 6.01 O 1.53 10.5 3.00 12- 11- 10- E. What is the pl (isoelectric point)? 9- D. At which pH value does the amino group of amino acid have the best buffering capacity? pl= 6.01 8- 7- 5- 4- 3 2- 1- 0 pl=6.01 pk =234 0.5 1.0 pk = 9.69 1.5 OH (equivalents) 2.0 equivalents OH™
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Please help with parts D and E

The graph represents the titration of an amino acid with NaOH solution. A. At what pH is the average net charge 1/2? pH = 2.34 B. Where does the amino acid have a net charge of +1? ● below pH 2.34 O at pH = 2.34 at pH = 6.01 at pH=9.69 O above pH 9.69 1/2 of COOH reacted= 2.34 when 1/2 of COOH has reacted, the pH = 2.5 10 0 0 0 О 9.00 C. At what point has enough base been added to react with 1/2 of the COOH groups? ● 9.69 6.01 O 1.53 10.5 3.00 12- 11- 10- E. What is the pl (isoelectric point)? 9- D. At which pH value does the amino group of amino acid have the best buffering capacity? pl= 6.01 8- 7- 5- 4- 3 2- 1- 0 pl=6.01 pk =234 0.5 1.0 pk = 9.69 1.5 OH (equivalents) 2.0 equivalents OH™
Transcribed Image Text:The graph represents the titration of an amino acid with NaOH solution. A. At what pH is the average net charge 1/2? pH = 2.34 B. Where does the amino acid have a net charge of +1? ● below pH 2.34 O at pH = 2.34 at pH = 6.01 at pH=9.69 O above pH 9.69 1/2 of COOH reacted= 2.34 when 1/2 of COOH has reacted, the pH = 2.5 10 0 0 0 О 9.00 C. At what point has enough base been added to react with 1/2 of the COOH groups? ● 9.69 6.01 O 1.53 10.5 3.00 12- 11- 10- E. What is the pl (isoelectric point)? 9- D. At which pH value does the amino group of amino acid have the best buffering capacity? pl= 6.01 8- 7- 5- 4- 3 2- 1- 0 pl=6.01 pk =234 0.5 1.0 pk = 9.69 1.5 OH (equivalents) 2.0 equivalents OH™
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