Answered: Determine the pH of a carbonate buffer…

Determine the pH of a carbonate buffer system that contains 0.0065 M of HCO3- and 0.0084 M of CO32-. The Ka of HCO3- is 4.7x10-11.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter9: Aqueous Solutions And Chemical Equilibria

Section: Chapter Questions

Problem 9.29QAP

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Concept explainers

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.

Question

17) Determine the pH of a carbonate buffer system that contains 0.0065 M of HCO₃^-and 0.0084 M of CO₃^2-. The K_a of HCO₃^-is 4.7x10^-11.

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