Which of the following will be more soluble in an acidic solution than in pure water?
Be(OH)2
Ag2SO4
RbClO4
CuCN
Cul
1 answer
Those in which the H^+ of the acid will react with the anion to produce a slightly ionized material (such as H2O). Be(OH)2 will do that, Ag2SO4 will (because of K2 for H2SO4), and CuCN (forms HCN which is a weak acid).