A.3.88×1014 B.9.39×1015 C.1.42×1015 D.6.00×1012
A.Kc=[CaO]2[SO2]2[O2]/[CaSO4]2 B.Kc=[SO2]2[O2] C.Kc=[SO2]2[O2]/[CaSO4]2 D.Kc=[CaO]/[CaSO4]
A.O與H B.O與F C.S與Li D.S與Cs