Solution Stoichiometry

16) (a) 2Cr³⁺(aq) + 3CO₃^2-(aq) Cr₂(CO₃)₃(s)

            Spectators: NH₄⁺, SO₄^2-

      (b) 2Ag⁺(aq) + SO₄^2-(aq) Ag₂SO₄(s)

            Spectators: K⁺, NO₃^-

      (c) Pb²⁺(aq) + 2OH^-(aq) Pb(OH)₂(s)

            Spectators: K⁺, NO₃^-