30.當 Ag+逐漸加入一個含[Br-] = [Cl-] = [CO32-] = [AsO43-] = 0.1M 的混合溶液,何者最先沉澱?

(A) AgBr (Ksp = 5.0 x 10-13)

(B) AgCl (Ksp = 1.8 x 10-10

(C) Ag2CO3 (Ksp = 8.1 x 10-12)

(D) Ag3AsO4 (Ksp = 1.0 x 10-22)

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統計: A(6), B(4), C(1), D(1), E(0) #582577