A polymer molar mass average which is the mean value of the weight distribution of molecular sizes, defined a Mw = ∑ NiMi 2/∑ NiMi = ∑ wiMi/∑ wi. Where Ni, Mi and wi are the number of molecules, the molar mass and the total with of the molecular species.
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Gooch, J.W. (2011). Weight-Average Molecular Weight. In: Gooch, J.W. (eds) Encyclopedic Dictionary of Polymers. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6247-8_12768
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DOI: https://doi.org/10.1007/978-1-4419-6247-8_12768
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