Answered: A 50.00-mL sample of 0.0750 M HCN was…

A 50.00-mL sample of 0.0750 M HCN was titrated with 0.3995 M NaOH. What is the pH at the equivalence point at 25°C? Ka for HCN is 6.2x10-10 at 25°C. 9.11 10.0 O 11.0 8.11

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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Question

A 50.00-mL sample of 0.0750 M HCN was titrated with 0.3995 M NaOH.
What is the pH at the equivalence point at 25°C? Ka for HCN is 6.2x10-10 at
25°C.
9.11
10.0
O
11.0
8.11

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