The group Zn(NO3) 2, Zn(CO3) 2, ZnCl2, and ZnS contains some salts which are only very slightly soluble in pure water. Of those salts, which one(s) should be significantly more soluble in acidic solution than in pure water?
A) Zn(NO3) 2, Zn(CO3) 2, and ZnCl2
B) Zn(NO3) 2, and Zn(CO3) 2
C) ZnCl2, and ZnS
D) Zn(CO3) 2, and ZnCl2
E) Zn(CO3) 2, and ZnS
Correct Answer:
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