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Molar mass of Potassium carbonate

The molecular formula of Potassium carbonate is K2CO3, giving a molar mass of 138.204 g/mol.

Molar mass
138.204g/mol

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

Formula
K2CO3
Category
Common Salts
Atoms per molecule
6

Potassium carbonate conversions

Mass ↔ amount and solution conversions derived from the stored molar mass of 138.204 g/mol.

1 mmol138.204 mg
1 g7.2357 mmol
1 M138.204 g/L

About Potassium carbonate

A strong base used as a mild drying agent and as the potassium source in the manufacture of specialty glass and fertiliser. Being deliquescent, it is stored tightly sealed; historically it was produced by burning wood and called potash.

Related compounds

Other entries in Common Salts.

Potassium carbonate — FAQ