## Chemistry 12th Edition

We know that a. $CuBr$ as given that $Cu^{+2}$ ion. b. $Mn_2O_3$ as $Mn^{+2}$ion. c. $Hg_2I_2$ as $I^{-2}$ions. d. $Mg(PO_4)_2$ as given that $Mg^{+2}$ ions.