kg/kmol\text{kg/kmol}

kilogram per kilomole

Molar massexact by definition

The kilogram per kilomole is exactly 10⁻³ kg/mol, numerically identical to the gram per mole. Engineering thermodynamics uses it so the molar mass of air reads 28.97 kg/kmol, the same digits a chemist writes as 28.97 g/mol.

1 kg/kmol\text{kg/kmol} 1 g/mol\text{g/mol}

One kilogram per kilomole in every molar mass unit

1gram per mole (g/mol)
1kilogram per kilomole (kg/kmol)this unit
1milligram per millimole (mg/mmol)
1pound per pound-mole (lb/lb-mol)
1dalton (as molar mass) (Da)
0.001kilogram per mole (kg/mol)
0.001kilodalton (as molar mass) (kDa)