Using the data in the table below for reactivity ratios in free radical copolymerizations, calculate and plot F1 versus f1 for the following systems. Also determine the number average sequence length (NM) for both monomers and draw approximate structures of the copolymers assuming you use 50% Monomer 1 and 50% Monomer 2 in the polymerizations. Monomer 1/ Monomer 2 (a) maleic anhydride / methyl acrylate (b) butadiene / styrene (c) styrene / vinyl acetate

Some Reactivity Ratios r, and r, for Free Radical Initiated Copolymerizations M M2 Acrylonitrile Acrylamide 0.87 1.37 1.17 Butadiene 2.0 0.1 0.2 Methyl acrylate 0.84 0.83 0.70 Styrene 0.01 0.40 0.004 Vinyl acetate 6.0 0.07 0.42 Butadiene Methyl methacrylate 0.70 0.32 0.22 Styrene 1.40 0.78 1.1 Ethylene Propylene 17.8 0.065 1.17 Maleic anhydride Acrylonitrile Methyl acrylate 0.02 3.5 0.07 Methyl methacrylate Vinyl acetate 22.2 0.07 1.55 Vinyl chloride 10 0.1 1.0 Styrene p-Fluorostyrene 1.5 0.7 1.05 -Methylstyrene 2.3 0.38 0.87 Vinyl acetate 55 0.01 0.55 2-Vinyl pyridine 0.55 1.14 0.63 Tetrafluoroethylene Monochlorotrifluoroethylene 1.0 1.0 1.0 Vinyl chloride Vinyl acetate 1.35 0.65 0.88 Vinylidene chloride 0.5 0.001 0.0005 0 6 0