The Student Room Group

Electrode potentials

Been given a question, don't know what to really do, why do you have to meaure the pd of electrode potential ASAP??


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Because otherwise the concentrations of the solutions will change over time as the reaction is carried out, and thus the emf measured won't have been measured under standard conditions - you need 1.00moldm^3 concentrations to measure a standard electrode potential. Hope this helps!

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