An enzyme-catalyzed reaction was carried out in 5.0 mL of 0.15 M phosphate buffer pH 7.2. As a result of the reaction, the pH of the solution increased to pH 7.4. How many moles of OH- were produced during the reaction? H2PO4- + H2O ⇆ HPO42- + H3O+, pKa = 7.2
An enzyme-catalyzed reaction was carried out in 5.0 mL of 0.15 M phosphate buffer pH 7.2. As a result of the reaction, the pH of the solution increased to pH 7.4. How many moles of OH- were produced during the reaction? H2PO4- + H2O ⇆ HPO42- + H3O+, pKa = 7.2
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter15: Acid-base Equilibria
Section: Chapter Questions
Problem 125CP: Cacodylic acid, (CH3)2AsO2H, is a toxic compound that is a weak acid with pKa = 6.19. It is used to...
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An enzyme-catalyzed reaction was carried out in 5.0 mL of 0.15 M phosphate buffer pH 7.2. As a result of the reaction, the pH of the solution increased to pH 7.4. How many moles of OH- were produced during the reaction?
H2PO4- + H2O ⇆ HPO42- + H3O+, pKa = 7.2
The answer is 8.50 × 10-5 moles
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