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The Most Useful Ore of Aluminum Is Bauxite, in Which

Question 33

Multiple Choice

The most useful ore of aluminum is bauxite, in which Al is present as hydrated oxides, Al2O3 · xH2O. The number of kilowatt-hours of electricity required to produce 3.00 kg of aluminum from electrolysis of compounds from bauxite is ________ when the applied emf is 4.50 V.


A) 0.0249
B) 0.0402
C) 26.8
D) 13.4
E) 40.2

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