However, following the SI system of units, the National Institute of Standards and Technology, the United States authority on measurement, considers the term "molal" and the unit symbol "m" to be obsolete, and suggests mol/kg or a related unit of the SI.
Namun, mengikuti sistem satuan SI, National Institute of Standards and Technology, otoritas pengukuran di Amerika Serikat, menganggap istilah "molal" dan simbol satuan "m" telah usang, dan menyarankan mol/kg atau satuan SI terkait lainnya.