7. Use the Ksp to derive which of the following salts has the lowest solubility in pure water?
(A) Copper(II) sulfide
(B) Silver(I) sulfide 
(C) Mercury(II) sulfide
(D) Bismuth(III) sulfide 
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統計: A(0), B(1), C(0), D(0), E(0) #3423510
統計: A(0), B(1), C(0), D(0), E(0) #3423510