Chapter 2 Atoms, Molecules, and Ions - Study Questions - Page 95c: 49

a) potassium sulfide b) cobalt (II) sulfate c) ammonium phosphate d) calcium hypochlorite

a) $K^+$ potassium, $S^{2-}$ sulfide: potassium sulfide b) $Co^{2+}$ cobalt (II), $SO_4^{2-}$ sulfate: cobalt (II) sulfate c) $NH_4^{+}$ ammonium, $PO_4^{3-}$ phosphate: ammonium phosphate d) $Ca^{2+}$ calcium, $ClO^{-}$ hypochlorite: calcium hypochlorite