Kc = [SO2F2]^3 / [SF6][SO3]^2
_________________SF6 (g)____ + 2SO3 (g)____ <--->____ 3SO2F2 (g)
Moli iniziali_______0.0150_______0.0150__________________0
Variaz. Moli___- 1.96*10^-3/3__- 1.96*10^-3*2/3______+1.96*10^-3
Moli all’equil.______0.014________0.014_________________1.96*10^-3
Concentraz._____0.014 M_______0.014M_______________1.96*10^-3M

Sostituiamo i valori ottenuti in Kc:
Kc= [1.96*10^-3]^3/(0.014)*(0.014)^2

Kc = 2.78*10^-3

% moli SO3 trasformate= 1.96*10^-3*2/3 = 0.13%