Nicotine Is an Alkaloid and a Component of Cigarettes That

Multiple Choice

Nicotine is an alkaloid and a component of cigarettes that contribute to the addictive properties of tobacco. Mass analysis reveals that it has the empirical formula C₅H₇N. If the molar mass is 162.23 g/mol, which molecular formula is correct?

A) C₅H₇N
B) C₁₀H₁₄N₂
C) C₇H₉N₃
D) C₁₅H₂₁N₃
E) C₂₀H₂₈N₄