Balance the following equations, which are written in "molecular form" and write the complete ionic and net ionic equations for all if they form a precipitate: (a)_ _CaCl2(aq) +_ NaSO4(aq) (b) Pb(NO3)2(aq) (c) X BaBr2(aq) + KI(aq) (d) _AlCl3(aq) + NaCO3(aq) + CaSO4 (s) + NaCl(aq) XXX KOH(aq) Pbl2 (s) + BaCO3(s) KNO3(aq) + NaBr (aq) _Al(OH)3(s) +_KCl(aq) on line