A 100.0-mL aliquot of 0.100 M diprotic acid H₂A (pK₁ = 4.00, pK₂ = 8.00) was titrated with 1.00 M NaOH. At what volumes are the two equivalence points? Find the pH at the following volumes of base added (V) and sketch a graph of pH versus V: 0, 5.0, 10.0, 15.0, 20.0, and 22.0 mL.
A 100.0-mL aliquot of 0.100 M diprotic acid H₂A (pK₁ = 4.00, pK₂ = 8.00) was titrated with 1.00 M NaOH. At what volumes are the two equivalence points? Find the pH at the following volumes of base added (V) and sketch a graph of pH versus V: 0, 5.0, 10.0, 15.0, 20.0, and 22.0 mL.
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter14: Acid- Base Equilibria
Section: Chapter Questions
Problem 110CP: A 0.400-M solution of ammonia was titrated with hydrochloric acid to the equivalence point, where...
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Step 1: Addition of 0.00 mL of NaOH
VIEWStep 2: Addition of 5.0 mL of NaOH
VIEWStep 3: Addition of 10.0 mL of NaOH
VIEWStep 4: Addition of 15.0 mL of NaOH
VIEWStep 5: Addition of 20.0 mL of NaOH
VIEWStep 6: Addition of 22.0 mL of NaOH
VIEWStep 7: Additional points
VIEWStep 8: Plot the graph
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