E a 5 10 b 15 20 25 Volume of KOH added (mL) 30 d 35 Propionic acid (CH3CH2COOH) is a weak organic acid (pKa = 4.87, 25 °C). The figure above is the titration curve for the titration of 20.0 mL of 0.100 M of the acid using 0.100 M KOH as titrant. Determine the pH at points a, b, c, and d.

E a 5 10 b 15 20 25 Volume of KOH added (mL) 30 d 35 Propionic acid (CH3CH2COOH) is a weak organic acid (pKa = 4.87, 25 °C). The figure above is the titration curve for the titration of 20.0 mL of 0.100 M of the acid using 0.100 M KOH as titrant. Determine the pH at points a, b, c, and d.

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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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

рн
0
a
5
10
b
U
20
25
15
Volume of KOH added (mL)
30
d
35
Propionic acid (CH3CH2COOH) is a weak organic acid (pKa = 4.87, 25 °C).
The figure above is the titration curve for the titration of 20.0 mL of 0.100 M of the acid using 0.100
M KOH as titrant. Determine the pH at points a, b, c, and d.

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