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ammonium
NH+4
mercury (I)
Hg2+2
acetate
C2H3O2−
or
CH3COO−
hydrogen carbonate or bicarbonate
HCO-3
chlorate
CIO-3
hydroxide
OH-
nitrate
NO-3
nitrite
NO-2
permanganate
MnO-4
cyanide
CN-
carbonate
CO₃²⁻
sulfate
SO2-4
sulfite
SO2-3
chromate
CrO2-4
dichromate
Cr2O2-7
peroxide
O2-2
phosphate
PO3-4
hydrogen sulfate or bisulfate
HSO-4