I am confused with basics of electrochemistry. Suppose i immersed a metal to an acidic solution and i measure electrode potential, in other words potential differences between metal and electrolyte. (vs. Reference Electrode)

When i immersed the metal, the corrosion reaction will begin to take place and there will be an equilibrium of anodic (metal oxidation) and cathodic reaction (hydrogen evolution) at a specific potential, which is Ecorr (mixed potential theory).

I want to ask whether electrode potential and corrosion potential is same concept? If not which one is that i measure via multimeter or potentiaostat?

thanks in advance

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