KCIO3 (s) 2 KCl (s) + O2 (g) is 2 Combustion Reactions false True The total moles of O2 react with 6 moles of * ?C2H6 are 6 moles False True 2C2H6 + 702 4CO2 + 6H20. How many * ?moles of O2 react with 6 moles of C2H6 20 21 22 23