20 mL of 0.01 M V2+ is titrated by 0.01 M Ce4+ in 1 M HCI using SHE reference electrode to find the endpoint. The titration reaction is: V2+ + Ce4+ V3+ + Ce³+ The standard reduction potentials are: V3+ + 2e = √²+ E° = -0.255 V Ce4+ + 2e Ce³+ E° = 1.720 V Questions: 1. Solve for the Keq of the reaction. 2. Solve for the potential of the solution at the following volumes of Ce4+ added: a. 10 mL b. 18 mL

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20 mL of 0.01 M V2+ is titrated by 0.01 M Ce4+ in 1 M HCI using SHE reference electrode to find
the endpoint. The titration reaction is:
V2+ + Ce4+ V³+ + Ce³+
The standard reduction potentials are:
V3+ + 2e
V2²+
E° = -0.255 V
Ce4+ + 2e
Ce³+
E° = 1.720 V
Questions:
1. Solve for the Keq of the reaction.
2. Solve for the potential of the solution at the following volumes of Ce4+ added:
a. 10 mL
b. 18 mL
c. 20 mL
d.
25 mL
Transcribed Image Text:20 mL of 0.01 M V2+ is titrated by 0.01 M Ce4+ in 1 M HCI using SHE reference electrode to find the endpoint. The titration reaction is: V2+ + Ce4+ V³+ + Ce³+ The standard reduction potentials are: V3+ + 2e V2²+ E° = -0.255 V Ce4+ + 2e Ce³+ E° = 1.720 V Questions: 1. Solve for the Keq of the reaction. 2. Solve for the potential of the solution at the following volumes of Ce4+ added: a. 10 mL b. 18 mL c. 20 mL d. 25 mL
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