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charge of silver
Ag+
charge of copper
Cu2+
charge of iron
Fe2+, Fe3+
charge of lead
Pb2+
charge of zinc
Zn2+
charge of hydrogen
H+
charge of hydroxide
OH-
charge of ammonium
NH4+
charge of carbonate
CO32-
charge of nitrate
NO3-
charge of sulfate
SO42-