# Solution: The solubility of all except which one of the following salt...

###### Question

The solubility of all except which one of the following salts increases as the solution pH decreases?

(a) CaF2(s)

(b) Na2CO3(s)

(c) PbSO3(s)

(d) CuS(s)

(e) AgClO4(s)