Answer
(a) $ H_2O(l) + Fe(ClO_4)_3(aq) $
(b) $H_2(g) + SrSO_4(aq)$
(c) $K_3PO_4(aq) + H_2O(l)$
Work Step by Step
(a) The reaction between an acid and a metal oxide produces water and an ionic compound made of the conjugate base and the oxide's metal.
(b) The reaction between an acid and a solid metal produces hydrogen gas and an ionic compound made of the conjugate base and the metal cation.
(c) The reaction between an acid and a base produces water and an ionic compound made of the conjugate base and the conjugate acid.