The reaction of solid sodium and iron (II) oxide is just one of a series of reactions that inflates a car bag. Na(s) + Fe203(s) Na20(s) + Fe(s) If 100 g of sodium and 100 g of fe203 are used in this reaction, determine. a) the limiting reagent b) excess reagent c) the mass of iron produced d) The excess reagent mass remaining after the reaction