A) Cu2+ + Bu? Chemical Formula = CuBuz (Need 2 anions and 1 cation) B) Fe2+ +02 Chemical Formula = Feo (Need 1 of each) C) Fe3+ + Brl- Chemical Formula = (Need 3 anions and 1 cation) D) Kl+ + S2- Chemical Formula = (Need 1 anion and 2 cations) E) Ba2+ + O2- Chemical Formula = (Need 1 of each) (Need 3 anions and 2 cations) Fe2(SO3)3 (Need 1 anion and 2 cations) (Need 1 of each) (Need 1 anion and 2 cations) F) Cr3+ + O2 Chemical Formula = G) Fe3+ + (SO3)2- Chemical Formula = H) Ca2+ + (SO3)2- Chemical Formula = 1) (NH2)++ +52- Chemical Formula = ) Mg2+ + Cl2 Chemical Formula = K) AM+ +52 Chemical Formula = L) Na+ + (CO3)2+ Chemical Formula = M) Ba2+ + (PO4)3- Chemical Formula =​