The lead-acid battery has the net reaction Pb + PbO2 + 4H+ + 2SO42–⇌ 2PbSO4 + 2H2O The concentration of sulfuric acid in the lead storage battery of an automobile over time has decreased from 38.0 percent by mass (density = 1.29 g/mL) to 26.0 percent (density = 1.19 g/mL). Assume that the volume of the acid in the battery remains constant at 724 mL. a) Calculate the total charge (in C) supplied by the battery during this change. b) How long (in hours) will it take to charge the battery back to its original sulfuric acid concentration using a current of 22.4 A?

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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.