9) Remove the metal wires from their solutions. Rinse them with water and dry them witha paper towel. Retain the copper wire and replace the zinc wire in the container in thehood.In-Lab Discussion1. When zinc metal reacts with Cu2+ ions, which substance is oxidized and which isreduced?2. Which metal is the anode in this electrochemical cell? Which is the cathode?3. In which direction do the electrons flow in this cell? From the zinc wire to thecopper metal wire, or vice versa?4. What would you conclude about the spontaneity of the reaction if you replaced the zincwire with another metal and found that the cell potential changed sign? Filter paperSaturated KNO; solution259Figure 1. Experimental apparatus.Experimental ProcedurePart 1. Copper and Zinc Metal1) Select a piece of copper and a piece of zinc metal wire from the containers in the hood.2) Clean the surface of the metal wires with the steel wool. Wipe clean with a dry papertowel.3) Obtain a plastic well plate. Fill one well with 10 drops of the Copper ion solution fromthe dropper bottle. Label this well with a Sharpie marker so that you remember whichsolution you filled it with,4) Repeat step 3 with Zinc ion solution. Select a well right next to the well in step 3 sothat the two wells with Copper and Zinc ion solution are right next to each other.5) Obtain a small dry strip of filter paper. You may have to cut a large piece of filterpaper down to the appropriate size. It should be exactly this big CIt's OK to tear the filter paper with your hands. Using the drop bottle, saturate the filterpaper strip with KNO; solution. Gently place one end of the filter paper into one of theion solution wells and the other end of the filter paper into the second ion solution well sothat a bridge is formed between the two solutions.6) Plug the alligator clips in to the voltmeter. The red lead connects to the voltmeter at theV Q Hz connection. The black lead connects to the COM connection. Connect the redalligator clip to one of the metal wires you chose and the black alligator clip to the othermetal wire you chose (make sure you clip on the metal and not the painted portion of thewire). Turn the voltmeter knob to 2 _V and power on by pressing .7) Dip both metal wires into their corresponding ion solutions and hold them there. If thereading from the voltmeter is negative, switch the alligator clips for the two metal wiresso that the potential is positive.8) Record the magnitude of the potential difference in the table provided.

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