Potassium hydroxide · KOH

Potassium hydroxide: formula KOH, atom count, element breakdown and calculated molar mass.

CompoundKOH

KOH

Molar mass56.105 g/mol

Atoms3

Elements3

Hydrogen

1 × 1.008 · 1.80%

1.0080

Oxygen

1 × 15.999 · 28.52%

15.9990

Potassium

1 × 39.0983 · 69.69%

39.0983

The formula KOH 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.