. (05.04 LC) Which of the following is a valid mole ratio from the balanced equation 2C3H6 + 9O2 → 6CO2 + 6H2O? (4 points) one mole of C three H six over two moles of C O two six moles of H two O over nine moles of O two two moles of C three H six over six moles of O two three moles of H two O over 2 moles of C O two