adbrown7132003 adbrown7132003 03-12-2020 Chemistry contestada How many molecules of oxygen is used when 15 grams of CH4 is burned in open air? Balanced equation: CH4 + O2 -> CO2 + 2 H20 O 4.51x1023 O 5.63x1 choy O 6.11x1023 O 8.72x1023