Chemistry and Chemical Reactivity (9th Edition)

Published by Cengage Learning
ISBN 10: 1133949649
ISBN 13: 978-1-13394-964-0

Chapter 17 Principles of Chemical Reactivity: Other Aspects of Aqueous Equilibria - Study Questions - Page 677d: 87

Answer

a) Increase b) No change

Work Step by Step

a) Adding the acetate ion will shift the equilibrium to the left and increase the pH. $HA+H_2O \leftrightarrow H_3O^++A^-$ b) Since HNO3 is a strong acid, the shift in equilibrium from adding more of the nitrate ion will have a minimum effect on the pH.
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