The equation for the reduction of iron(III) oxide to iron metal is given by: Fe2O3(s) +3CO(g) --> 2FE(s) + 3CO2(g) What is the maximum amount of iron, in grams, which can be obtained from 623.0 grams of iron(III) oxide? Enter your answer in scientific notation.

4.36×10^{2}

^{}According to the equation in problem nine, what mass of carbon monoxide, in grams, is required to produce 339.5 grams of iron? Enter your answer in scientific notation.