Carbowax column means the stationary phase used is O 50% phenyl polydimethyl siloxane O polyethylene glycol O 5% phenyl polydimethyl siloxane O 50% cyanopropyl polydimethyl siloxane
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- Explaining the following polymer size fractions in a polymer sample: Fraction Molecular Weight Number of Chains 1 3,250 400 2 5,000 500 3 500,000 4 a. Calculate the number-average molecular weight of the polymer. b. Calculate the weight-average molecular weight of the polymer. c. Which average molecular weight did the 4 chains of molecular weight of 500,000 most significantly affect? why ? d. Calculate the polydispersity index (PI = (Mw/Mn) of the polymer.In lab two dikferent mobile phase compositions were used for column Chromatoghaphy. DiSCUSShow the hokile Phase composit ron effeet the hesults of the column separation of spinach pigmerts as it was eident by the ThC.Was the resulH expeeted basedon theory?Calculate Mn, Mw and the polydispersity index for a hypothetical polymer sample that contains equimolar amounts of polymer having molecular weights of 30,000, 60,000, and 90,000.