ravenmcfadden753 ravenmcfadden753 30-10-2021 Chemistry contestada What is the theoretical yield of H 20 that can be obtained from the reaction of 4.5 g H 2 and excess O 2? 2H 2(g) + O2(g) → 2H 20(g) 4.5 g 40.8 80.g 9.0 g 81g