bubs9414 bubs9414 22-03-2018 Chemistry contestada How many grams of oxygen are needed to react completely with 200.0 g of ammonia, nh3? 4nh3(g) + 5o2(g) ®4no(g) + 6h2o(g) a. 469.7 g b. 300.6 g c. 250.0 g d. 3.406 g e. 2.180 g?