Mixture $X = 0.02$ mole of $\left[ {{\rm{Co}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_5}{\rm{S}}{{\rm{O}}_4}} \right]$Br and 0.02 mole of $\left[ {{\rm{Co}}{{\left( {{\rm{N}}{{\rm{H}}_3}} \right)}_5}{\rm{Br}}} \right]{\rm{S}}{{\rm{O}}_4}$ was prepared in 2 L of solution.<br> $1{\rm{L }}\;{\rm{of}}\;{\rm{ mixture}}\;X + {\rm{excess}}\,{\rm{AgN}}{{\rm{O}}_3} \to Y$<br> $1{\rm{L }}\;{\rm{of }}\;{\rm{mixture}}\;X + {\rm{excess}}\;{\rm{BaC}}{{\rm{l}}_2} \to Z$<br> Number of moles of Y and Z are