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A Sample of Natural Rubber (200

Question 33

Multiple Choice

A sample of natural rubber (200.0 g) is vulcanized, with the complete consumption of 4.8 g of sulfur. Natural rubber is a polymer of isoprene (C5H8) . Four sulfur atoms are used in each crosslink connection. What percent of the isoprene units will be crosslinked?


A) 7.6
B) 5.1
C) 2.5
D) 9.4
E) 1.3

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