Question: Calculate ? b a r ( M ) n and ? b a r ( M ) w for a sample of polystyrene with the

Calculate ?bar(M)n and ?bar(M)w for a sample of polystyrene with the following composition (i= degree of polymerization).
\table[[i:,20,25,30,35,40,45,50,60,80,>80
Calculate ?bar(M)n and ?bar(M)w for a sample of polystyrene with the

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