For the reaction in Problem 5.55, a. how many grams of Fe are required to react completely with 4.22 ? 10 -3 mol of O 2 ? b. how many grams of FeO are produced from the complete reaction of 17.44 g of...

For the reaction in Problem 5.55, a. how many grams of Fe are required to react completely with 4.22 ? 10 -3 mol of O 2 ? b. how many grams of FeO are produced from the complete reaction of 17.44 g of Fe? For the reaction in Problem 5.56, a. how many moles of O2 are required to react completely with 39.2 mg of Fe? b. how many grams of Fe2O3 are produced from the complete reaction of 14.8 g of Fe?