HgSO4.
HgSO4
This formula is written as HgSO4.
The equation is:Hg2SO4 + 2 NH4NO3 = Hg2(NO3)2 + (NH4)2SO4
Na2S+Hg2--- 2Na + HgS
In the formula unit for mercury (I) sulfate, there are two atomic symbols for mercury, one atomic symbol for sulfur, and four atomic symbols for oxygen. This gives a total of seven total atoms.
Copper sulfate has CuSO4 as its formula. Copper sulfate is also written copper (II) sulfate.
The compound name of Hg2SO4 is mercury(I) sulfate.
Copper sulfate has CuSO4 as its formula. Copper sulfate is also written copper (II) sulfate.
There are two kinds of copper sulfate, even without considering hydrates. Cu(I) sulfate has the formula Cu2SO4 and Cu(II) sulfate has the formula CuSO4.
The formula for magnesium {note correct spelling} sulfate is MgSO4.
Na2SO4 is the chemical formula for sodium sulfate.
The chemical formula for a sulfate anion is SO4-2.