Weak Acid (analyte)/Strong Acetic Acid (CH3CO₂H)—analyte 25.00 mL of 0.100 M NaOH titrant 10.00 mL of 0.100 M Calculations at: 2. Buffer Region Stoichiometric: mol CH3CO₂H, mol CH3CO₂ Equilibrium: pH = pka + log [CH3 CO2 [CH3CO2H] Base (titrant) 14 13 12 11 10 9 8 pH 7 6 5 3 1 Phenolphthalein color- change interval Equivalence point 2 Methyl red color- change interval 5 10 1 1 4 15 20 25 30 ml NaOH 35 40
Weak Acid (analyte)/Strong Acetic Acid (CH3CO₂H)—analyte 25.00 mL of 0.100 M NaOH titrant 10.00 mL of 0.100 M Calculations at: 2. Buffer Region Stoichiometric: mol CH3CO₂H, mol CH3CO₂ Equilibrium: pH = pka + log [CH3 CO2 [CH3CO2H] Base (titrant) 14 13 12 11 10 9 8 pH 7 6 5 3 1 Phenolphthalein color- change interval Equivalence point 2 Methyl red color- change interval 5 10 1 1 4 15 20 25 30 ml NaOH 35 40
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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![Weak Acid (analyte)/Strong Base (titrant)
Acetic Acid (CH3CO₂H)-analyte 25.00 mL of 0.100 M
NaOH titrant 10.00 mL of 0.100 M
Calculations at:
2. Buffer Region
Stoichiometric:
mol CH3CO₂H, mol CH³CO₂
Equilibrium:
pH = pka + log
14
13
12
11
10
9
8
pH 7
6
5
4
3
[CH3CO2 ]
[CH3CO2H]
n
1
Phenolphthalein color-
change interval
Equivalence point
2
Methyl red color-
change interval
5 10
4
15 20 25 30 35 40
mL NaOH
Can use Henderson-Hasselbeck for buffer region](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb426c7ec-0b8d-4059-a97d-2a2739579ea3%2Ff724c60a-87c2-42bb-b6f3-95273fe206d9%2F9u70xtod_processed.png&w=3840&q=75)
Transcribed Image Text:Weak Acid (analyte)/Strong Base (titrant)
Acetic Acid (CH3CO₂H)-analyte 25.00 mL of 0.100 M
NaOH titrant 10.00 mL of 0.100 M
Calculations at:
2. Buffer Region
Stoichiometric:
mol CH3CO₂H, mol CH³CO₂
Equilibrium:
pH = pka + log
14
13
12
11
10
9
8
pH 7
6
5
4
3
[CH3CO2 ]
[CH3CO2H]
n
1
Phenolphthalein color-
change interval
Equivalence point
2
Methyl red color-
change interval
5 10
4
15 20 25 30 35 40
mL NaOH
Can use Henderson-Hasselbeck for buffer region

Transcribed Image Text:Weak Acid (analyte)/Strong
Acetic Acid (CH3CO₂H)-analyte 25.00 mL of 0.100 M
NaOH titrant 10.0 mL of 0.100 M
Base (titrant)
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