A 100 mL solution of 0.1 M amino acid (AA) at pH 1.0 was titrated with NaOH solution. The pH was monitored, and the results were plotted on a graph, as shown below. The key points in the titration are designated I to VII.
A 100 mL solution of 0.1 M amino acid (AA) at pH 1.0 was titrated with NaOH solution. The pH was monitored, and the results were plotted on a graph, as shown below. The key points in the titration are designated I to VII.
Chapter10: Reconstitution Of Powdered Drugs
Section: Chapter Questions
Problem 19SST
Related questions
Question
Choices for each item:
1. (A) Lysine (B) Aspartic Acid (C) Alanine (D) Proline
2. I, II, III, IV, V, VI, VII
3. (A) 9.00 (B) 10.50 (C) 2.10 (D) 6.00
4. I, II, III, IV, V, VI, VII
5. (A) 5.00 - 7.00
(B) 1.00 - 3.00
(C) 10.50 - 12.50
(D) 8.00 - 10.00
6. I, II, III, IV, V, VI, VII
Transcribed Image Text:A 100 ml solution of 0.1 M amino acid (AA) at pH 1.0 was titrated with NaOH
solution. The pH was monitored, and the results were plotted on a graph, as shown
below. The key points in the titration are designated I to VII.
14
12
VII
10
VI
IV
pH 6
III
2
II
0.5
1.5
2
2.5
Equivalents of OH
![1. What is the possible identity of the amino acid? [Select ]
2. What is the isoelectric point of AA? [Select ]
3. What is the pka corresponding to the deprotonation of the alpha-amino group?
[ Select ]
4. Region/point where AA is predominantly present as a (+1)-charged species.
[ Select]
5. The effective buffering range for the amino acid in the basic region.
[ Select ]
6. Region/point where the solution has a 50:50 percent mixture of the (0) and
the (+1) species. ( Select]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F845b06b6-bcfb-41cd-8213-e3a2ee8bb2c3%2Fdaaf0fcd-a803-4ad0-8de8-4720e1529bc1%2F47ed9ko_processed.jpeg&w=3840&q=75)
Transcribed Image Text:1. What is the possible identity of the amino acid? [Select ]
2. What is the isoelectric point of AA? [Select ]
3. What is the pka corresponding to the deprotonation of the alpha-amino group?
[ Select ]
4. Region/point where AA is predominantly present as a (+1)-charged species.
[ Select]
5. The effective buffering range for the amino acid in the basic region.
[ Select ]
6. Region/point where the solution has a 50:50 percent mixture of the (0) and
the (+1) species. ( Select]
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