A certain metal M forms a soluble sulfate salt M₂ SO4. Suppose the left half cell of a galvanic cell apparatus is filled with a 1.00 M solution of M₂ SO4 and the right half cell with a 0.500 mM solution of the same substance. Electrodes made of M are dipped into both solutions and a voltmeter is connected between them. The temperature of the apparatus is held constant at 30.0 °C. Which electrode will be positive? Oleft Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits. Oright What voltage will the voltmeter show? Assume its positive lead is connected to the positive electrode. 0 X

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Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electrolyte, electrodes, and some form of external power source are the main components required for conducting electrolysis. A partition, such as an ion-exchange membrane or a salt bridge, may also be used, but this is optional. These are primarily used to prevent the products from diffusing near the opposing electrode.