Metallic nickel can be made by the electrolysis of molten NiCl₂. (a) What mass of Ni is formed by passing a current of 7.09 A through molten NiCl₂ for 4.70 days? The unbalanced chemical reaction representing this electrolysis is shown below. g of Ni is formed by this electrolysis. (b) How many minutes are needed to plate out 18.00 g of Ni from molten NiCl₂ using 6.93 A current? minutes are needed. NiCl₂Ni+ Cl₂

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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.