molality vs molal concentration

molality and molal concentration both are nouns.

Word	Noun	Adjective	Verb	Adverb
molality	Yes	No	No	No
molal concentration	Yes	No	No	No

As nouns, molality and molal concentration are synonyms defined as:

molality and molal concentration: concentration measured by the number of moles of solute per kilogram of solvent

molality (noun)	molal concentration (noun)
concentration measured by the number of moles of solute per kilogram of solvent	concentration measured by the number of moles of solute per kilogram of solvent