#19. Ethane, C2H6, burns in air according to the equation below. How many liters of O2 are required for complete reaction with 5.2 L of C2H6? How many liters of vapor are produced? Assume all gases are measured at the same termperature and pressure. 2 C2H6(G) + 7 O2(g) ? 4 CO2(g) + 6 H2O(g)