Are those equilibrium concns. If so, then
Ke = (SO3)^2/(SO2)^2*(O2)
Substitute the number you have, if those are equilibrium concns, and punch the calculator.
How do you calculate Ke for 2 SO2 (g) + O2 (g) ↔ 2 SO3 (g) + heat
[0.0500] [0.0500] [0.103]
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