The Rate Constant for the Reaction 2 ClO(g) $\to$ Cl₂(g)+ O₂(g),is 7

The rate constant for the reaction 2 ClO(g) $\to$ Cl₂(g) + O₂(g) ,is 7.22 $\times$ 10⁹ M^-1s^-1 at a particular temperature.Suppose 0.0250 atm ClO is initially present in reaction vessel containing air at STP (1 atm,273 K) .After 5.00 minutes,what is the concentration of ClO?

A) 4.65 $\times$ 10^-11 M
B) 8.80 $\times$ 10^-4 M
C) 2.17 $\times$ 10¹² M
D) 1.39 $\times$ 10^-10 M
E) 4.62 $\times$ 10^-13 M