Consider the titration of 100.0 mL of 0.100 M HCN by 0.100 M KOH at 25°C. K for HCN 6.2×10-10, Part 1 Calculate the pH after 0.0 mL of KOH has been added. pH = Part 2 Calculate the pH after 50.0 mL of KOH has been added. pH = Part 3 Calculate the pH after 75.0 mL of KOH has been added. pH = Part 4 Calculate the pH at the equivalence point. pH = Part 5 Calculate the pH after 125 mL of KOH has been added. pH =

Chemistry: An Atoms First Approach
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Author:Steven S. Zumdahl, Susan A. Zumdahl
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Chapter14: Acid- Base Equilibria
Section: Chapter Questions
Problem 105CWP: Consider the titration of 100.0 mL of 0.100 M HCN by 0.100 M KOH at 25C. (Ka for HCN = 6.2 1010.)...
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Consider the titration of 100.0 mL of 0.100 M HCN by 0.100 M KOH at 25°C.
K for HCN 6.2×10-10,
Part 1
Calculate the pH after 0.0 mL of KOH has been added.
pH =
Part 2
Calculate the pH after 50.0 mL of KOH has been added.
pH =
Part 3
Calculate the pH after 75.0 mL of KOH has been added.
pH =
Part 4
Calculate the pH at the equivalence point.
pH =
Part 5
Calculate the pH after 125 mL of KOH has been added.
pH =
Transcribed Image Text:Consider the titration of 100.0 mL of 0.100 M HCN by 0.100 M KOH at 25°C. K for HCN 6.2×10-10, Part 1 Calculate the pH after 0.0 mL of KOH has been added. pH = Part 2 Calculate the pH after 50.0 mL of KOH has been added. pH = Part 3 Calculate the pH after 75.0 mL of KOH has been added. pH = Part 4 Calculate the pH at the equivalence point. pH = Part 5 Calculate the pH after 125 mL of KOH has been added. pH =
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