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Tobacco contains a poisonous alkaloid called Nicotine. The molecular formula of nicotine is C10H14N2 (molar mass = 162.23g). The mass percentage of nitrogen in nicotine, is?

A. 4.32%
B. 8.23%
C. 12.4%
D. 17.3%

Show Answer…
Correct Answer: D. 17.3%

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