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Molar mass of Potassium hydroxide

The molecular formula of Potassium hydroxide is KOH, giving a molar mass of 56.105 g/mol.

Molar mass
56.105g/mol

Computed from the formula with the IUPAC conventional atomic weights (abridged, 2021 edition).

Formula
KOH
Category
Acids & Bases
Atoms per molecule
3

Potassium hydroxide conversions

Mass ↔ amount and solution conversions derived from the stored molar mass of 56.105 g/mol.

1 mmol56.105 mg
1 g17.8237 mmol
1 M56.105 g/L

About Potassium hydroxide

A strong base preferred over sodium hydroxide when potassium salts are wanted, as in alkaline batteries and soft soaps. Its ethanol solutions are the classic reagent for saponification value determination.

Related compounds

Other entries in Acids & Bases.

Potassium hydroxide — FAQ