What is the pH of a 1.0 L solution that is 0.50 M PO43- and 0.50 M HPO42-? (The pKa values for H3PO4are: 2.14, 7.2, and 12.4 respectively) If 0.01 moles of OH- is added to the above buffer, what will the new pH be? Change of volume is negligible. If 0.01 moles of OH- is added to 1.0 L of water, what will the new pH be? Change of volume is negligible.
What is the pH of a 1.0 L solution that is 0.50 M PO43- and 0.50 M HPO42-? (The pKa values for H3PO4are: 2.14, 7.2, and 12.4 respectively) If 0.01 moles of OH- is added to the above buffer, what will the new pH be? Change of volume is negligible. If 0.01 moles of OH- is added to 1.0 L of water, what will the new pH be? Change of volume is negligible.
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter15: Complex Ion And Precipitation Equilibria
Section: Chapter Questions
Problem 23QAP
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- What is the pH of a 1.0 L solution that is 0.50 M PO43- and 0.50 M HPO42-? (The pKa values for H3PO4are: 2.14, 7.2, and 12.4 respectively)
- If 0.01 moles of OH- is added to the above buffer, what will the new pH be? Change of volume is negligible.
- If 0.01 moles of OH- is added to 1.0 L of water, what will the new pH be? Change of volume is negligible.
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