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Consider the following buffer systems: H,CO3 HCO, + H+ pka = 6.4 %3D H2PO, + НРО + нt pКа 3D 7.2 HPO Describe the relative amounts of the acid and conjugate base for each system at a pH of 6.89 H2CO3 HCO, H,PO, НРО

Consider the following buffer systems: H,CO3 HCO, + H+ pka = 6.4 %3D H2PO, + НРО + нt pКа 3D 7.2 HPO Describe the relative amounts of the acid and conjugate base for each system at a pH of 6.89 H2CO3 HCO, H,PO, НРО

Chemistry
Chemistry
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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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Consider the following buffer systems: H2CO3 + HCO, +Н' pКа %3 6.4 H2PO, НРО +H' pКа %3D7.2 Describe the relative amounts of the acid and conjugate base for each system at a pH of 6.89 H,CO3 ? v HCO3 H2PO, HPO
Transcribed Image Text:Consider the following buffer systems: H2CO3 + HCO, +Н' pКа %3 6.4 H2PO, НРО +H' pКа %3D7.2 Describe the relative amounts of the acid and conjugate base for each system at a pH of 6.89 H,CO3 ? v HCO3 H2PO, HPO
A 2.00 L solution contains 0.656 M NH3 and 0.696 M NH,A. (The Kb of NH3 is 1.86 · 10-5). What is the pH of this solution? What is the pH of this solution after 0.167 mol of HCl are added to the solution? What is the pH of this solution after 0.334 mol of HCl are added to the solution?
Transcribed Image Text:A 2.00 L solution contains 0.656 M NH3 and 0.696 M NH,A. (The Kb of NH3 is 1.86 · 10-5). What is the pH of this solution? What is the pH of this solution after 0.167 mol of HCl are added to the solution? What is the pH of this solution after 0.334 mol of HCl are added to the solution?
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