In a Reaction Described by the Equation: 2CH₄O(g)+ 3O₂(g) $\rarr$ 2CO₂(g)+ 4H₂O(g),the Rate of Consumption of O₂(g)is 0

In a reaction described by the equation: 2CH₄O(g) + 3O₂(g) $\rarr$ 2CO₂(g) + 4H₂O(g) ,the rate of consumption of O₂(g) is 0.400 mol L^-1 s^-1. What is the rate of formation of H₂O(g) ?

A) 0.300 mol L^-1 s^-1
B) 0.400 mol L^-1 s^-1
C) 0.533 mol L^-1 s^-1
D) 0.800 mol L^-1 s^-1
E) 1.33 mol L^-1 s^-1