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Mass What does "electrochemically active species" mean in the expression for the mass-transfer limited current?

The expression for the mass-transfer limited current $i$ is given by $i = nFAmC$.

where $C$ [mol cm$^{-3}$$C~[\mathrm{mol\, cm^{-3}}$] represents the concentration of the electrochemically active species that gets converted at the electrode; if the entire analyte gets converted, then $C$ is equal to the initial bulk concentration of the analyte.

I am confused as to what electrochemically active species mean? Is that just saying the ions in solution? Or is it the oxidized ion and the reduced ion?

Mass-transfer limited current

The expression for the mass-transfer limited current $i$ is given by $i = nFAmC$.

where $C$ [mol cm$^{-3}$] represents the concentration of the electrochemically active species that gets converted at the electrode; if the entire analyte gets converted, then $C$ is equal to the initial bulk concentration of the analyte.

I am confused as to what electrochemically active species mean? Is that just saying the ions in solution? Or is it the oxidized ion and the reduced ion?

What does "electrochemically active species" mean in the expression for the mass-transfer limited current?

The expression for the mass-transfer limited current $i$ is given by $i = nFAmC$.

where $C~[\mathrm{mol\, cm^{-3}}$] represents the concentration of the electrochemically active species that gets converted at the electrode; if the entire analyte gets converted, then $C$ is equal to the initial bulk concentration of the analyte.

I am confused as to what electrochemically active species mean? Is that just saying the ions in solution? Or is it the oxidized ion and the reduced ion?

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Curt F.
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The expression for the mass-transfer limited current i$i$ is given by i = nFAmC$i = nFAmC$.

where C$C$ [mol cm 3]$^{-3}$] represents the concentration of the electrochemically active species that gets converted at the electrode; if the entire analyte gets converted, then C$C$ is equal to the initial bulk concentration of the analyte.

I am confused as to what electrochemically active species mean? Is that just saying the ions in solution? Or is it the oxidized ion and the reduced ion?

The expression for the mass-transfer limited current i is given by i = nFAmC

where C [mol cm 3] represents the concentration of the electrochemically active species that gets converted at the electrode; if the entire analyte gets converted, then C is equal to the initial bulk concentration of the analyte.

I am confused as to what electrochemically active species mean? Is that just saying the ions in solution? Or is it the oxidized ion and the reduced ion?

The expression for the mass-transfer limited current $i$ is given by $i = nFAmC$.

where $C$ [mol cm$^{-3}$] represents the concentration of the electrochemically active species that gets converted at the electrode; if the entire analyte gets converted, then $C$ is equal to the initial bulk concentration of the analyte.

I am confused as to what electrochemically active species mean? Is that just saying the ions in solution? Or is it the oxidized ion and the reduced ion?

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user510
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Mass-transfer limited current

The expression for the mass-transfer limited current i is given by i = nFAmC

where C [mol cm 3] represents the concentration of the electrochemically active species that gets converted at the electrode; if the entire analyte gets converted, then C is equal to the initial bulk concentration of the analyte.

I am confused as to what electrochemically active species mean? Is that just saying the ions in solution? Or is it the oxidized ion and the reduced ion?