The molecular weight of a substance containing hydrogen and chlorine was 36.4.
It is equal to the molecular weight of the ion, divided by 96.537 times its valency.
Hence it was imperative to determine without doubt the molecular weight of some two typical isomers.
In the case of soda soaps the colloidal character increases with the molecular weight of the fatty acids.
A substance consisting of oxygen and hydrogen was found to have a molecular weight of 34.
The molecular weight of mercurous chloride has given occasion for much discussion.
Hence the number of grams of a given substance in a liter divided by its molecular weight represents its concentration.
Cryoscopic determinations of its molecular weight show that it is H2O2.
The figures so obtained will be the respective parts of the molecular weight due to the several atoms.
A difference of opinion exists as to the molecular weight and constitution of this substance.
molecular weight n.
Abbr. mol wt, MW
The sum of the atomic weights of all the atoms in a molecule. Also called formula weight.
|molecular weight |
The sum of the atomic weights of the atoms contained in a molecule. Also called relative molecular mass.