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%
Correct Answer: D. 17.3%
A. 4.32%
B. 8.23%
C. 12.4%
D. 17.3%