Sulfur dioxide · SO2

Sulfur dioxide: formula SO2, atom count, element breakdown and calculated molar mass.

CompoundSO₂

SO₂

Molar mass64.058 g/mol

Atoms3

Elements2

Oxygen

2 × 15.999 · 49.95%

31.9980

Sulfur

1 × 32.06 · 50.05%

32.0600

The formula SO₂ 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.