What will be Kc for SO3 (g) = SO2 (g) + 1/2O2 (g). (a) 4.74 (b)0.25 (c) 4.0 (d) 17.0 (e) 0.211

Answer 1

Kp = Kc(RT)^∆n

∆n = change in moles of gas = 1.5 - 1 = 0.5

0.25 = Kc(0.0821 x 1100)^0.5

0.25 = Kc(90.31)^0.5

0.25 = 9.5Kc

Kc = 0.026

None of the answers agrees with this answer. Not sure why.