Oxalic acid, H₂C concentrations o A 0.198 M solut

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter14: Acids And Bases
Section: Chapter Questions
Problem 118QRT
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Oxalic acid, H₂C₂O4, has acid dissociation constants of Kal = 5.90 × 10-2 and K₁2 = 6.40 × 10-5. Calculate the pH and molar
concentrations of H₂C₂O4, HC₂0, and C₂02 at equilibrium for each of the solutions.
A 0.198 M solution of H₂C₂O4.
pH =
[H₂C₂O₂] =
[HC₂0] =
[C₂0²] =
M
M
M
Transcribed Image Text:Oxalic acid, H₂C₂O4, has acid dissociation constants of Kal = 5.90 × 10-2 and K₁2 = 6.40 × 10-5. Calculate the pH and molar concentrations of H₂C₂O4, HC₂0, and C₂02 at equilibrium for each of the solutions. A 0.198 M solution of H₂C₂O4. pH = [H₂C₂O₂] = [HC₂0] = [C₂0²] = M M M
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