SO4
The chemical formula for calcium sulfate is CaSO4.
The chemical formula for zinc sulfate is ZnSO4.
The chemical formula for iron(II) sulfate is FeSO4, while the chemical formula for iron(III) sulfate is Fe2(SO4)3.
(NH4)2SO4 but look here for more details: http://en.wikipedia.org/wiki/Ammonium_sulfate
Sodium: Na Potassium: K ...seriously?
The chemical formula for calcium sulfate is CaSO4.
The chemical formula for Sodium Oxide is Na2O.
The chemical formula for zinc sulfate is ZnSO4.
Na2SO4
The chemical formula for iron(II) sulfate is FeSO4, while the chemical formula for iron(III) sulfate is Fe2(SO4)3.
Sodium Nitrate NaNO3 (subscript) for sodium ion Na+ and and nitrate ion NO3- combine to form this compound
(NH4)2SO4 but look here for more details: http://en.wikipedia.org/wiki/Ammonium_sulfate
Sodium: Na Potassium: K ...seriously?
The chemical formula for calcium sulfate dihydrate is CaSO4 · 2H2O. It can also be written as CaSO4 · 2H2O.
The chemical formula (not equation) of sodium hydrogen sulfite is NaHSO3.
BeSO4 Sulfate is a polyatomic ion = SO4 and this has a charge of -2 and Beryllium usually has a charge of +2
The chemical formula for chromium VI sulfate is Cr2(SO4)3. This compound contains two chromium ions (Cr) and three sulfate ions (SO4) in a 2:3 ratio, forming a neutral compound.