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) 1.3
B) 9.4
C) 2.5
D) 7.6
E) 5.1
Correct Answer:
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