1.

Write the chemical formulae for the following compounds that can be formed by the combination of followin ions: `Cu^(2+),Na^(+),Fe^(3+),Cl^(-),SO_(4)^(2-),PO_(4)^(3-)`

Answer» `"For" Cu^(2+)"ion", CuCl_(2), CuSO_(4), Cu_(3)(PO_(4))_(2)`
`"For" Na^(2+)"ion", NaCl, Na_(2)SO_(4), Na_(3)PO_(4)`
`"For" Fe^(3+)"um", FeCl_(3), Fe_(2)(SO_(4)),FePO_(4)`


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