In the titration of 100 ml of weak acid, 27.63ml of 0.09381M of NaOH was needed to reach the equivalence point. Consequently, the pH at equivalence point was measured and the value was 10.99. Calculate the pH if the volume of the NaOH added is less than 8.16ml of the volume at equivalence point.

In the titration of 100 ml of weak acid, 27.63ml of 0.09381M of NaOH was needed to reach the equivalence point. Consequently, the pH at equivalence point was measured and the value was 10.99. Calculate the pH if the volume of the NaOH added is less than 8.16ml of the volume at equivalence point.

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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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

In the titration of 100 ml of weak acid, 27.63ml of 0.09381M of
NaOH was needed to reach
Consequently, the pH at equivalence point was measured and
the value was 10.99. Calculate the pH if the volume of the
NaOH added is less than 8.16ml of the volume at equivalence
the equivalence point.
point.

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