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Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section17.6: Equilibria Involving Complex Ions
Problem 2.1ACP: Phosphate ions are abundant in cells, both as the ions themselves and as important substituents on...
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Phosphoric acid is used widely in fertilizers and is used in certain types of pop to make them more tart. It is a triprotic acid with a chemical formula H3PO4(aq). Estimate the pH and the concentrations of all species at equilibrium in a 0.520 M solution of phosphoric acid. The three acid dissociation steps are as follows: H3PO4 (aq) + H2O (1) H2PO4 (aq) + H3O+ (aq) H2PO4 (aq) + H2O (1) HPO42 (aq) + H3O+ (aq) HPO4 (aq) + H2O (1) PO4 (aq) + H3O+ (aq) Ка = 6.92 × 10 3 Kaz = 6.17 x 108 Kas 4.79 x 10-13 a) H3PO4]: b) H2PO4]: c) [HPO2]: d) PO3: e) [H3O]: f) pH: M M M M M
Transcribed Image Text:Phosphoric acid is used widely in fertilizers and is used in certain types of pop to make them more tart. It is a triprotic acid with a chemical formula H3PO4(aq). Estimate the pH and the concentrations of all species at equilibrium in a 0.520 M solution of phosphoric acid. The three acid dissociation steps are as follows: H3PO4 (aq) + H2O (1) H2PO4 (aq) + H3O+ (aq) H2PO4 (aq) + H2O (1) HPO42 (aq) + H3O+ (aq) HPO4 (aq) + H2O (1) PO4 (aq) + H3O+ (aq) Ка = 6.92 × 10 3 Kaz = 6.17 x 108 Kas 4.79 x 10-13 a) H3PO4]: b) H2PO4]: c) [HPO2]: d) PO3: e) [H3O]: f) pH: M M M M M
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