The formula of gallium phosphate is \({\text{GaP}}{{\text{O}}_{\text{4}}}\). What is the correct formula of gallium sulfate?

A.     \({\text{GaS}}{{\text{O}}_{\text{4}}}\)

B.     GaS

C.     \({\text{G}}{{\text{a}}_{\text{2}}}{{\text{(S}}{{\text{O}}_{\text{4}}}{\text{)}}_{\text{3}}}\)

D.     \({\text{G}}{{\text{a}}_{\text{2}}}{{\text{S}}_{\text{3}}}\)

C