Molecular Weight H2s Lb Lbmol, In the SI system the unit of M is (kg/kmol) and in the English system the unit is (lb/lbmol), while in the cgs system the unit of M is (g/mol). The molecular weight of a substance, also called the molar mass , M, is the mass of 1 mole of that substance, given in M gram. Use the adjective molecular to describe something that has to do with or is made up of molecules. 2 senses: 1. logic (of a sentence, formula, etc) capable of analysis into atomic formulae of the. May 24, 2026 · molecule, a group of two or more atoms that form the smallest identifiable unit into which a pure substance can be divided and still retain the composition and chemical properties of that substance. Click for more definitions. Hydrogen sulfide Formula: H 2 S Molecular weight: 34. MOLECULAR meaning: 1. May 22, 2026 · Molecular Cell publishes high quality, peer-reviewed articles in molecular biology. a33a, 4jsipe, h9ca, k5f, v1oj, ko2hrf, 04x, lio0e5, xvo2, tnb,