Respuesta :

2 C3H6 + 9 O2 -> 6 CO2 + 6 H2O.

36 g/ 42.0 gmole-1 = 0.857 mole. The amount of oxygen is 0.857 X 9/2 (from the reaction) = 3.857 mole for oxygen. This equals 3.857 X 16 g/mole = 61.7 g of oxygen. l