A steady current was passed through molten to yield of solid. How many coulombs were used?

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General Chemistry 2

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Solve problems involving electrolysis

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1 Sep 2020

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Metallic magnesium can be made by the electrolysis of molten MgCl2. (a) What mass of Mg is formed by passing a current of 4.55 A through molten MgCl₂, for 4.50 days? (b) How many minutes are needed to plate out 25.00 g Mg from molten MgCl₂ using 3.50 A of current?

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(a) How many moles of electrons are required?

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