Make a diagram of a voltaic cell that generates electric current from this product-favored chemical reaction:
Fe(s) + Cu(NO3)2(aq) ⟶ Fe(NO3)2(aq) + Cu(s)
Choose an appropriate salt solution for the salt bridge. Make sure that the oxidation half-reaction is in the left-hand beaker. Label each electrode with an element symbol. Label the anode half-cell and the cathode half-cell. Label the direction of movement of electrons, positive ions, and negative ions in the electrical circuit.
As this voltaic cell operates, one electrode gains mass and one electrode loses mass. Identify which electrode gains mass. Explain why that electrode gains mass and why the other electrode loses mass.
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