MgSo4 → Mg(+2)S(+6)O4(-2)
Fecl3 → Fe(+3)Cl3(-1)
Al → Al(0)
NaOH→Na(+1)OH(-1)
H3PO4 → H3(+1)P(+5)O(-2)
Fe2O3 → Fe(+3)O(-2)
CuCl →Cu(+2)Cl(-1)
Cu → Cu(0)
H2→ H2(+1)
Ca → Сa(0)
Cu(HO)2→ ?
MgSo4 → Mg(+2)S(+6)O4(-2)
Fecl3 → Fe(+3)Cl3(-1)
Al → Al(0)
NaOH→Na(+1)OH(-1)
H3PO4 → H3(+1)P(+5)O(-2)
Fe2O3 → Fe(+3)O(-2)
CuCl →Cu(+2)Cl(-1)
Cu → Cu(0)
H2→ H2(+1)
Ca → Сa(0)
Cu(HO)2→ ?