Reaction help plzz??

Question

Consider the reaction

2C3H6(g) + 9O2(g) ---> 6CO2(g) + 6H2O(g)

If the rate of formation of H2O(g) is 0.40 mol/Ls, what is the rate of consumption of O2(g)??

(a) 0.10 mol/Ls

(b)0.90 mol/Ls

(c) 0.60 mol/Ls

(d) 0.30 mol/Ls

(e) None of the above

Answer 1

c