ANFO (ammonium nitrate-fuel oil) has replaced dynamite as the explosive used in many hard-rock mining applications. Ammonium nitrate is produced by reacting ammonia with an aqueous solution of nitric acid (NH3 + HNO3 NH4NO3) and drying the product to form dry NH4NO3 Nitric acid, in turn, is produced by in the following 3-step catalytic oxidation of ammonia. NOTE: The reactions are not balanced. 1. NH3 + O2 + NO + H2O 2. NO + O2 + NOZ 3. NO2 + H2O HNO3 + NO All oxides of nitrogen are recycled so that the final product in the production of nitric acid contains only HNO3 and H20. The nitric acid product is a solution of 68 wt. percent HNO3 in water. a) How much ammonia is required to produce a ton (2000 lbm) of ammonium nitrate? b) If the oxygen is supplied as air, how much air in required? c) How much water is required