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I am doing a lab for school and I do not know what this question is asking. In this lab we are making electrochemical cells from different metals.

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    $\begingroup$ Welcome to Chemistry.SE! Could you provide a little more detail in your question? What exactly are you supposed to do? $\endgroup$ – Philipp Apr 10 '14 at 2:26
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You have a standard pot of liquid electrolyte into which are dipped non-touching same-spaced paired strips of different clean metals. The external circuit between the strips is a sensitive voltmeter (with extremely high electrical resistance - hard by zero current flow). You measure the potential (noting direction!) between all combinations of paired strips, (n)(n-1)/2, and then draw certain conclusions.

Why are amalgams saturated with respect to excess solid metal interesting substrates for this experiment (e.g., aluminum)? How do you construct a standard hydrogen electrode?

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