What is the composition of copolymer formed by the copolymerization of – McqOptions

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1.	What is the composition of copolymer formed by the copolymerization of 60% vinyl acetate and 40% vinyl chloride at 60 C, given that r₁=0.23 and r₂=1.68?
A.	t0.39
B.	t0.78
C.	t0.63
D.	tcannot be determined
Answer» B. t0.78

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