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Phosphoric acid, H, PO,(aq), is a triprotic acid, meaning that pKa1 pKa2 pKa3 one molecule of the acid has three acidic protons. Estimate the pH and the concentrations of all species in a 0.500 M 2.16 7.21 12.32 phosphoric acid solution. [H,PO,] = 0.4442 M [H*] = 0.0558 M [H,PO,] = 0.0558 [OH¯] = 1.78 x10¬13 M M [HPO ] = 6.16 x10-8 M pH = 1.25 [PO}] = M

Phosphoric acid, H, PO,(aq), is a triprotic acid, meaning that pKa1 pKa2 pKa3 one molecule of the acid has three acidic protons. Estimate the pH and the concentrations of all species in a 0.500 M 2.16 7.21 12.32 phosphoric acid solution. [H,PO,] = 0.4442 M [H*] = 0.0558 M [H,PO,] = 0.0558 [OH¯] = 1.78 x10¬13 M M [HPO ] = 6.16 x10-8 M pH = 1.25 [PO}] = M

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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Phosphoric acid, H,PO,(aq), is a triprotic acid, meaning that pKa1 pKa2 pKa3 4 one molecule of the acid has three acidic protons. Estimate 2.16 7.21 12.32 the pH and the concentrations of all species in a 0.500 M phosphoric acid solution. [H,PO,] = 0.4442 [H*] = 0.0558 M M [H,PO,] = 0.0558 1.78 x10¬ -13 M M [OH¯] = [HPO?"] = 6.16 x10–8 M pH = 1.25 [PO}] = M 4
Transcribed Image Text:Phosphoric acid, H,PO,(aq), is a triprotic acid, meaning that pKa1 pKa2 pKa3 4 one molecule of the acid has three acidic protons. Estimate 2.16 7.21 12.32 the pH and the concentrations of all species in a 0.500 M phosphoric acid solution. [H,PO,] = 0.4442 [H*] = 0.0558 M M [H,PO,] = 0.0558 1.78 x10¬ -13 M M [OH¯] = [HPO?"] = 6.16 x10–8 M pH = 1.25 [PO}] = M 4
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