cmol/kg

centimole per kilogram

Molalityexact by definition

The centimole per kilogram is 10⁻² mol/kg. It is the SI form of soil cation exchange capacity, written cmol(+)/kg to make clear it counts charge rather than moles of ion: sand is under 5, loam 10 to 25, and a montmorillonite clay 80 to 150.

1 cmol/kg 0.01 mol/kg