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Molar mass of Potassium chloride

The molecular formula of Potassium chloride is KCl, giving a molar mass of 74.548 g/mol.

Molar mass
74.548g/mol

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

Formula
KCl
Category
Common Salts
Atoms per molecule
2

Potassium chloride conversions

Mass ↔ amount and solution conversions derived from the stored molar mass of 74.548 g/mol.

1 mmol
74.548mg
1 g
13.4142mmol
1 M
74.548g/L

About Potassium chloride

The principal intracellular-replacement electrolyte, infused to correct hypokalaemia and included in physiological buffers at 2–2.7 mM. Concentrated intravenous potassium is lethal enough that hospital stock is stored in high-alert containers.

Related compounds

Other entries in Common Salts.

Aluminium chlorideAlCl3 · 133.332 g/molAmmonium chlorideNH4Cl · 53.489 g/molAmmonium sulfateN2H8O4S · 132.134 g/molCalcium carbonateCaCO3 · 100.086 g/molCalcium chlorideCaCl2 · 110.978 g/molCalcium sulfateCaSO4 · 136.134 g/molCopper(II) sulfateCuSO4 · 159.602 g/molIron(II) sulfateFeSO4 · 151.901 g/molIron(III) chlorideFeCl3 · 162.195 g/molMagnesium chlorideMgCl2 · 95.205 g/molMagnesium sulfateMgSO4 · 120.361 g/molPotassium bicarbonateKHCO3 · 100.114 g/mol

Potassium chloride — FAQ