Aluminium oxide · Al2O3

Aluminium oxide: formula Al2O3, atom count, element breakdown and calculated molar mass.

CompoundAl₂O₃

Al₂O₃

Molar mass101.960 g/mol

Atoms5

Elements2

Oxygen

3 × 15.999 · 47.07%

47.9970

Aluminium

2 × 26.9815384 · 52.93%

53.9631

The formula Al₂O₃ contains 5 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.