Potassium permanganate · KMnO4

Potassium permanganate: formula KMnO4, atom count, element breakdown and calculated molar mass.

CompoundKMnO₄

KMnO₄

Molar mass158.032 g/mol

Atoms6

Elements3

Oxygen

4 × 15.999 · 40.50%

63.9960

Potassium

1 × 39.0983 · 24.74%

39.0983

Manganese

1 × 54.938043 · 34.76%

54.9380

The formula KMnO₄ contains 6 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.