CO3
The sulfite ion is SO32- It is not to be confused with sulfate, SO42-
The symbol for magnesium hydrogen sulfite is Mg(HSO3)2. It is a chemical compound formed from magnesium, hydrogen, sulfur, and oxygen ions.
The chemical symbol for sodium thiosulphate (hypo) is Na2S2O3•5H2O.
The polyatomic ion sulfite = SO3-2
The chemical formula of radium sulphate will be RaSO4, but this compound is not still prepared.
The chemical formula for germanium sulfite is Ge(SO3)2
The answer is Hydrogen Sulfite, because there is only one Hydrogen and its attached to the Sulfite ion.
The chemical formula of chromic sulfite is Cr2(SO3)3.
CdSO3 is cadmium sulfite.
The chemical formula for tin(II) sulfite is SnSO3.
The chemical formula of potassium sulfite is K2SO3.
The chemical formula for gold(I) sulfite is Au2(SO3)3.