Balance the following equations:

a$.FeC{l}_{3(aq)}+KO{H}_{(aq)}Fe(OH{)}_{3(s)}+KC{l}_{(aq)}$

b$.C{l}_{2(g)}+K{I}_{(aq)}{I}_{2(s)}+KC{l}_{(aq)}$

C$.Ca{F}_{2(s)}+H_{2}S{O}_{4(t)}CaS{O}_{4(s)}+H{F}_{(g)}$

d$.Mn{O}_{2(s)}+NaC{l}_{(s)}+H_{2}S{O}_{4(t)}$

$MnS{O}_{4(g)}+H_2{O}_{(l)}+C{l}_{2(g)}+N{a}_{2}S{O}_{4(s)}$