0ºControlled potential coulometry at a large platinum electrode is used to determine the amount of ferricyanide in a solution at 25 °C. © Macmillan Learning How much more negative than the standard reduction potential (E°) of ferricyanide must the electrode potential be so that 99.9% of the ferricyanide, [Fe(CN)6]³-, is reduced to ferrocyanide, [Fe(CN)6]? E- E° = The total charge passed through a 70.0 mL solution of unknown ferricyanide concentration is 22.58 C. Calculate the concentration of ferricyanide in the solution. [Fe(CN)6] concentration: V Σ
0ºControlled potential coulometry at a large platinum electrode is used to determine the amount of ferricyanide in a solution at 25 °C. © Macmillan Learning How much more negative than the standard reduction potential (E°) of ferricyanide must the electrode potential be so that 99.9% of the ferricyanide, [Fe(CN)6]³-, is reduced to ferrocyanide, [Fe(CN)6]? E- E° = The total charge passed through a 70.0 mL solution of unknown ferricyanide concentration is 22.58 C. Calculate the concentration of ferricyanide in the solution. [Fe(CN)6] concentration: V Σ
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter19: Electrochemistry
Section: Chapter Questions
Problem 19.140QP
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Question
![0ºControlled potential coulometry at a large platinum electrode is used to determine the amount of ferricyanide in a solution at
25 °C.
© Macmillan Learning
How much more negative than the standard reduction potential (E°) of ferricyanide must the electrode potential be so that
99.9% of the ferricyanide, [Fe(CN)6]³-, is reduced to ferrocyanide, [Fe(CN)6]?
E- E° =
The total charge passed through a 70.0 mL solution of unknown ferricyanide concentration is 22.58 C. Calculate the
concentration of ferricyanide in the solution.
[Fe(CN)6] concentration:
V
Σ](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F26607184-dec2-47e9-b3c4-3e3fded8f6cb%2F1def25f7-26a2-4916-beb6-bda62cae718e%2Fpm44sch_processed.png&w=3840&q=75)
Transcribed Image Text:0ºControlled potential coulometry at a large platinum electrode is used to determine the amount of ferricyanide in a solution at
25 °C.
© Macmillan Learning
How much more negative than the standard reduction potential (E°) of ferricyanide must the electrode potential be so that
99.9% of the ferricyanide, [Fe(CN)6]³-, is reduced to ferrocyanide, [Fe(CN)6]?
E- E° =
The total charge passed through a 70.0 mL solution of unknown ferricyanide concentration is 22.58 C. Calculate the
concentration of ferricyanide in the solution.
[Fe(CN)6] concentration:
V
Σ
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