Chapter 2.4, Problem 12EQ

In Exercises 7-14, balance the chemical equation for each reaction.

${\text{HClO}}_{\text{4}}{\text{+P}}_{\text{4}}{\text{O}}_{\text{10}}\to {\text{H}}_{\text{3}}{\text{PO}}_{\text{4}}{\text{+Cl}}_{\text{2}}{\text{O}}_{\text{7}}$