HCO3-
The chemical formula (not symbol) of sodium sulfide is Na2S.
The chemical symbol for bicarbonate is HCO3-. This is because it has one carbon atom surrounded by three atoms and a hydrogen atom attached to one of them. The negative charge comes from one formal charge.
The chemical symbol for sodium thiosulphate (hypo) is Na2S2O3•5H2O. Hope that helps.
The "N" is paired with the "a'" to represent "Na," the element symbol for sodium. The whole thing "NaHCO3" is the symbol for sodium bicarbonate.
CaHCO3- Calcium bi carbonate. CaCO3- Calcium carbonate
The chemical formula for carbonic acid is H2CO3. Only elements have chemical symbols.
Its HCO3-
Sodium bicarbonate.
The chemical formula for lithium is Li, and the chemical formula for bicarbonate is HCO3-.
CO32- is carbonate; bicarbonate is the archaic term for hydrogen carbonate, HCO3-.
The chemical formula for magnesium bicarbonate is Mg(HCO3)2
The Chemical Formula for Sodium Bicarbonate is NaHCO3.