jewelf78981 jewelf78981 30-10-2018 Chemistry contestada How many moles of O2 are required to generate 18 moles of H2O in the given reaction? 2C8H18 + 25O2 16CO2 + 18H2O 2 moles 12 moles 16 moles 18 moles 25 moles i ask too many questions sorry.