Question 13 Write the molecular formulae of all the compounds that can be formed by the combination of following ions Cu2+,Na+,Fe3+,Cl−,SO24,PO3−4
CuCl2/CuSO4/Cu3(PO4)2NaCl/Na2SO4/Na3PO4FeCl3/Fe2(SO4)3/FePO4
The ionic compound formed by the ions Fe3+ and (SO4)2− has the chemical formula ________.