Where the iron ore is converted to cast iron, one of the reactions that occur in a blast furnace is below.
Fe2O3 + 3 CO -> 2Fe + 3 CO2
Assume that 1.70 x103 kg of Fe is acquired from a3.93 x103 kg sample of Fe2O3. Assuming that the reaction goes to completion, determine the percent purity of Fe2O3 in the original sample?