The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a monoprotic base. 14 pH 12 10 8 6 4 2 0 0 5 10 15 20 25 30 35 40 45 50 mL of 0.1 M base added (1) The pH curve represents the titration of a Malachite green (2) Choose a suitable indicator for the endpoint of the titration from the following pulldown list. Thymol blue Methyl orange Bromocresol green Methyl red Bromothymol blue Cresol red Phenolphthalein Thymolphthalein Alizarin yellow pH 7.0 8.8 94 8 9 10.0 e acid with a 10.6 e base. 10.1 12.0 10 11 12 13 14
The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a monoprotic base. 14 pH 12 10 8 6 4 2 0 0 5 10 15 20 25 30 35 40 45 50 mL of 0.1 M base added (1) The pH curve represents the titration of a Malachite green (2) Choose a suitable indicator for the endpoint of the titration from the following pulldown list. Thymol blue Methyl orange Bromocresol green Methyl red Bromothymol blue Cresol red Phenolphthalein Thymolphthalein Alizarin yellow pH 7.0 8.8 94 8 9 10.0 e acid with a 10.6 e base. 10.1 12.0 10 11 12 13 14
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
Problem 34QRT
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Transcribed Image Text:The following graph shows the pH curve for the titration of 25 mL of a 0.1 M monoprotic acid solution with a 0.1 M solution of a monoprotic base.
14 pH
12 L
10
8
6
4
2
0
0
1
I
5 10 15 20 25 30 35 40 45 50
mL of 0.1 M base added
(1) The pH curve represents the titration of a
(2) Choose a suitable indicator for the endpoint of the titration from the following pulldown list.
©
Malachite green
Thymol blue
Methyl orange
Bromocresol green
Methyl red
Bromothymol blue
Cresol red
Phenolphthalein
Thymolphthalein
Alizarin yellow
pH 0
0.2 1.8
1.2 2.8
1
2
3
3.2 4.4
3.8 5.4
4
4.8 6.0
6.0
38
7.0
6 7
8.0
7.6
8.2
8
8.8
9,6
9
10.0
94 10.6
10.1
10 11
acid with a
12.0
12 13 14
base.
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