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Henry titrated 50.00 mL of 0.25 M nitrous acid with 0.50 M NaOH. What is the pH of the solution at the half- equivalence point of the titration? KaHA = 4.0 x 10-4 pH = [?] nu

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter15: Complex Acid/base Systems

Section: Chapter Questions

Problem 15.9QAP

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Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for

Question

Henry titrated 50.00 mL of 0.25 M
nitrous acid with 0.50 M NaOH. What is
the pH of the solution at the half-
equivalence point of the titration?
KaHA = 4.0 x 10-4
pH = [?]
pH
Enter

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