chem question help? (1 Viewer)

[kr73114]

The colourless aqueous solution of a white solid sample formed a precipitate with an acidified aqueous solution of lead (II) nitrate. What is the possible identity of the original
solution of this sample?

(A) copper (II) sulfate
(B) barium chloride
(C) sodium sulfate
(D) silver chloride

 

[muzeikchun852]

I think it's A.

 

[kr73114]

why, dont they all form precipitates?...and btw the answer is C.