What masses of iron(III) oxide and aluminum must be used to produce 16 g iron?
a) Iron(III) oxide: 8 g, Aluminum: 8 g
b) Iron(III) oxide: 12 g, Aluminum: 4 g
c) Iron(III) oxide: 4 g, Aluminum: 12 g
d) Iron(III) oxide: 16 g, Aluminum: 0 g