A student fills one small vessel with 1.0 M Cu2+ and another with 0.10 M Zn2+. A piece of filter paper saturated with sodium sulfate is used for a salt bridge. What should the student use for the electrodes? any neutral electrodes will work   a copper electrode in the Zn2+ and zinc in Cu2+   a copper electrode in the Cu2+ and zinc in Zn2+   any metal if they're both the same metal

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