Calcium carbonate · CaCO3

Calcium carbonate: formula CaCO3, atom count, element breakdown and calculated molar mass.

CompoundCaCO₃

CaCO₃

Molar mass100.086 g/mol

Atoms5

Elements3

Carbon

1 × 12.011 · 12.00%

12.0110

Oxygen

3 × 15.999 · 47.96%

47.9970

Calcium

1 × 40.078 · 40.04%

40.0780

The formula CaCO₃ 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.