A 1.0 L solution contains 0.34 M of a weak acid HA (K, 2.0 x 10-7) and 0.17 %3D M NaA. What is the pH after 0.05 moles of HCI are added? O 6.58 O 6.82 O 6.19 O 6.70 O 6.40

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
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A 1.0 L solution contains 0.34 M of a weak acid HA (K, = 2.0 x 10) and 0.17
M NaA. What is the pH after 0.05 moles of HCl are added?
O 6.58
O 6.82
O 6.19
O 6.70
O 6.40
Transcribed Image Text:A 1.0 L solution contains 0.34 M of a weak acid HA (K, = 2.0 x 10) and 0.17 M NaA. What is the pH after 0.05 moles of HCl are added? O 6.58 O 6.82 O 6.19 O 6.70 O 6.40
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