Problem: Phenylenediamine (pictured below) is mainly used as a component of engineering polymers and composites. It is also an ingredient in hair dyes and is occasionally used as a substitute for henna. What is the percent mass of carbon in phenylenediamine? a. 66.6% b. 11.1% c. 7.45% d. 25.9%

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Phenylenediamine (pictured below) is mainly used as a component of engineering polymers and composites. It is also an ingredient in hair dyes and is occasionally used as a substitute for henna.

What is the percent mass of carbon in phenylenediamine?

a. 66.6%

b. 11.1%

c. 7.45%

d. 25.9%

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