quotient of the amount of substance nB of solute B by the mass m of the solvent bB = nB / m
Note 1 to entry: The alternative symbol mB should be avoided in situations where it might be mistaken for mass of substance B. Note 2 to entry: The coherent SI unit of molality is mole per kilogram, mol/kg. Note 3 to entry: This entry was numbered 111-15-28 in IEC 60050-111:1996. It has been modified as follows: a formula has been added.
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