Balance the following chemical reaction by placing the proper coefficients in front of each reactant and in front of the product. ___Fe+ (B) ____O2-… 1. Balance the following chemical reaction by placing the proper coefficients in front of each reactant and in front of the product.(A). ___Fe+ (B) ____O2-> (c)__Fe2O3a. What is the coefficient on line (a)? b. What is the coefficient on line (b)?