Upon mixing, which of the following solutions will produce ONE insoluble substance that forms a precipitate? (See the solubility rules)
CuBr (aq)
RbCO3 (aq)
MnCl4 (aq)
Na2S (aq)
potassium hydroxide (aq)
zinc chloride (aq)
BaCl2 (aq)
Ag2SO4 (aq)
Na3PO4 (aq)
(NH4)2SO4 (aq)
magnesium nitrate (aq)
nickel perchlorate (aq)