Sample Problem 3 Iron pyrite (fool’s gold) has the formula FeS2. When a 13.9 g sample of impure iron pyrite is heated in the presence of oxygen, O2, 8.02 g of Fe2O3 is produced according to: 4 FeS2(s) + 11 O2(g)?2 Fe2O3(s) + 8 SO2(g) What is the % purity of the ...
Sample Problem 3 Iron pyrite (fool’s gold) has the formula FeS2. When a 13.9 g sample of impure iron pyrite is heated in the presence of oxygen, O2, 8.02 g of Fe2O3 is produced according to: 4 FeS2(s) + 11 O2(g)?2 Fe2O3(s) + 8 SO2(g) What is the % purity of the ...