Metallic iron can be made by the electrolysis of molten Fe2O3. (a) What mass of Fe is formed by passing a current of 6.22 A through molten Fe2O3 for 1.10 days? The unbalanced chemical reaction representing this electrolysis is shown below. Fe2O3  Fe + O2 ______ g of Fe is formed by this electrolysis.

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Chapter17: Electrochemistry
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Metallic iron can be made by the electrolysis of molten Fe2O3.

(a) What mass of Fe is formed by passing a current of 6.22 A through molten Fe2O3 for 1.10 days? The unbalanced chemical reaction representing this electrolysis is shown below.

Fe2O3  Fe + O2

______ g of Fe is formed by this electrolysis.


(b) How many minutes are needed to plate out 6.00 g of Fe from molten Fe2O3 using 6.15 A current?

_______ minutes are needed.


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