The Refining of Aluminum from Bauxite Ore (Which Contains 50 $\to$

The refining of aluminum from bauxite ore (which contains 50.% Al₂O₃ by mass) proceeds by the overall reaction 2Al₂O₃ + 3C $\to$ 4Al + 3CO₂.How much bauxite ore is required to give the 5.0 $\times$ 10¹³ g of aluminum produced each year in the United States? (Assume 100% conversion. )

A) 1.3 $\times$ 10¹³ g
B) 5.3 $\times$ 10¹³ g
C) 1.9 $\times$ 10¹⁴ g
D) 7.6 $\times$ 10¹⁴ g
E) none of these