The Equilibrium constant K , has a value of 2.4 x 10^-3 at a given
reaction:

2H2O(g) --------> 2H2(g) + O2(g)

At equilibrium , the concentrations of water vapor(1.1 X 10^-1) and hydrogen gas (1.2 X 10^-2).

What was the equilibrium concentration of oxygen of oxygen gas