At a certain temperature the following reactions have the constants shown.
S(s) + O₂(g) ←→ SO₂(g) K'c = 4.2 1052
2 S(s) + 3 O2(g) ←→ 2 SO₃(g) K"c = 9.8 10128
Calculate the equilibrium constant Kc for the following reaction at that temperature.
2 SO₂(g) + O2(g) ←→ 2 SO₃(g)