Na+ - Sodium ion, K+ - Potassium ion, Al3+ - Aluminium ion, Zn2+ - Zinc ion, Mg2+ - Magnesium ion, Ca2+ - Calcium ion, NH4+ - Ammonium ion, Pb2+ - Lead (II) ion, Ag+ - Silver ion, Fe2+ - Iron (II) ion, Fe3+ - Iron (III) ion,

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