Chemistry for Engineering Students
4th Edition
ISBN: 9781337398909
Author: Lawrence S. Brown, Tom Holme
Publisher: Cengage Learning
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Textbook Question
Chapter 12, Problem 12.75PAE
Cyanic acid (HOCN) is a weak acid with AL, = 3.5 X IO-4.
Consider the titration of 25.0 inL of 0.125 M HOCN with 0.125 M NaOH. Calculate the pH of the solution at each of the following points.
- Before any NaOH has been added.
- .After 12.5 mL of NaOH has been added.
- After 23.0 inL of NaOH has been added.
- .After 27.0 mL of KOH have been added.
- Use your calculator or a spreadsheet to plot the titration curve, and use your graph to estimate the pH at the equivalence point.
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Chapter 12 Solutions
Chemistry for Engineering Students
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