Chemistry › Compound
Mendeleev · Compound
Hydrogen sulfide · H2S
Hydrogen sulfide: formula H2S, atom count, element breakdown and calculated molar mass.
CompoundH2S
H2S
Molar mass34.076 g/mol
Atoms3
Elements2
The formula H2S contains 3 atoms in total. Numbers after element symbols show how many atoms of each element are present.
Molar mass is the sum of the contributions shown above. The percentages show how much each element contributes to the total mass.