3.a) Sketch the electrochemical cell below. Fully label your diagram.Label the electrodes, aqueous solution, the anode, the cathode, and the salt bridge.Indicate the direction of electron movement and ion movement. \mathrm{Mg}_{(s)}\left|\mathrm{Mg}^{2+}{ }_{|a q|}\right|\left|\mathrm{Cu}^{2+}{ }_{(\mathrm{aq} q}\right| \mathrm{Cu}_{(\mathrm{s})} b)Write the half-reactions that occur at the anode and the cathode. Anode: Cathode: c)Calculate the cell potential. d)Which electrode will increase in mass over time?

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