Based on the oxidation-reduction potential of the system, ratio of the concentration of the oxidized form to the concentration of the reduced form is 1 : 10.
What is standard oxidation-reduction potential of a system?
The oxidation-reduction potential of a system is a measure of the tendency for a given chemical species to be reduced.
The reduction equation is as follows:
[tex]Fe^{3+} \rightarrow Fe^{2+} = 0.77\:V[/tex]
Using the equation:
[tex]E = E^{o} - \frac{0.0592}{n}log\frac{[Fe^{2+}]}{[Fe^{3+}]}[/tex]
n = 1; E⁰ = 0.77; E = 0.711
Substituting the values and using 1/x as the ratio:
[tex]0.711 = 0.77 - \frac{0.0592}{1} * log\frac{1}{x}[/tex]
x = 1/10
Therefore, the ratio of the concentration of the oxidized form to the concentration of the reduced form is 1 : 10.
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