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What is the pH of a 500.00 mL buffer containing 0.350 moles of HCO2H and 0.400 moles of HCO2Na? (Ka = 1.7 x 10-4)?

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

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

Section17.2: Controlling Ph: Buffer Solutions

Problem 3RC

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Question

1. What is the pH of a 500.00 mL buffer containing 0.350 moles of HCO2H and 0.400 moles of HCO2Na? (Ka = 1.7 x 10-4)?

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