In the reaction ==> Co- Cu2+ Knowing that Cu2+ + e ==> Cu* EO= 0.15 V Co3+ + e ==> Co*2 E°= 1.82 V And Hydrogen reference electrode was used. If 25 mL of 0.1 M Cut was titrated against 0.2 M of Co3+, the E for this reaction upon adding 15 ml of Co3+ is:

In the reaction ==> Co- Cu2+ Knowing that Cu2+ + e ==> Cu* EO= 0.15 V Co3+ + e ==> Co*2 E°= 1.82 V And Hydrogen reference electrode was used. If 25 mL of 0.1 M Cut was titrated against 0.2 M of Co3+, the E for this reaction upon adding 15 ml of Co3+ is:

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter23: Voltammetry

Section: Chapter Questions

Problem 23.9QAP

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In the reaction
Cu2+
Co3+ + Cu* ==> Co2+ +
Knowing that
Cu2+ + e ==> Cu*
E°=
0.15 V
Co3* + e ==> Co+2
E°=
1.82 V
And Hydrogen reference electrode was used.
If 25 mL of 0.1 M Cu* was titrated against 0.2
M of Co3+, the E for this reaction upon adding
15 mL of Co3+ is:
O a. 1.78 V
b. 1.92 V
O c. 0.20 V
d. 0.11 V

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