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Molar mass

From Academic Kids

Molar mass is the mass of one mole of an element or chemical compound. In chemistry, the unit is g/mol. The atomic mass listed for the elements on the periodic table can be interpreted in two ways: first as the mass of a single average atom of the element in unified atomic mass units (u), or secondly as the mass of one mole of the element in grams. This second use is the molar mass of the element and is most useful in stoichiometric calculations. In physics, molar mass is usually defined in kilograms per kilomole (kg/kmol). Molar mass is different from Molecular mass which is the mass of one molecule.

In linear polymers not every polymer chain consists of the same amount of repeating units. A given polymer sample is said to be made up of a mixture of macromolecules with a certain molar mass distribution.de:Molare Masse nl:Moleculair gewicht da:Molvægt es:Masa molar

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