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Malic acid, (HO2C)CH2CH(OH) (CCH) has two acidic protons. What is the pKa for the following equilibrium? (HO2C)CH2CH(OH)(CO₂H) + H2OH3O++ (O₂C)CH2CH(OH)(CO₂H) % speciation 100% 80% 60% 40% 20% 0% XX -% H₂A <-% HA- -%A2- 1 2 3 4 5 6 7 8 solution pH

Malic acid, (HO2C)CH2CH(OH) (CCH) has two acidic protons. What is the pKa for the following equilibrium? (HO2C)CH2CH(OH)(CO₂H) + H2OH3O++ (O₂C)CH2CH(OH)(CO₂H) % speciation 100% 80% 60% 40% 20% 0% XX -% H₂A <-% HA- -%A2- 1 2 3 4 5 6 7 8 solution pH

Chemistry
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
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Malic acid, (HO2C)CH2CH(OH) (CCH) has two acidic protons. What is the pKa for the following equilibrium? (HO2C)CH2CH(OH)(CO₂H) + H2OH3O++ (O₂C)CH2CH(OH)(CO₂H) % speciation 100% 80% 60% 40% 20% 0% -% H₂A XX <-% HA- -%A2- 1 2 3 4 5 6 7 8 solution pH
Transcribed Image Text:Malic acid, (HO2C)CH2CH(OH) (CCH) has two acidic protons. What is the pKa for the following equilibrium? (HO2C)CH2CH(OH)(CO₂H) + H2OH3O++ (O₂C)CH2CH(OH)(CO₂H) % speciation 100% 80% 60% 40% 20% 0% -% H₂A XX <-% HA- -%A2- 1 2 3 4 5 6 7 8 solution pH
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