Consider the Following Reaction: CuS(s)+ O₂(g)⇌ Cu(s)+ SO₂(g)

Consider the following reaction: CuS(s) + O₂(g) ⇌ Cu(s) + SO₂(g)
A reaction mixture initially contains 2.9 M O₂.Determine the equilibrium concentration of O₂ if K_c for the reaction at this temperature is 1.5.

A) 1.9 M
B) 1.7 M
C) 2.2 M
D) 1.2 M
E) 0.59 M