...of 163.23 g/mol.? Nicotine ( a stimulant found in tobacco leaves) contains 74.03% C, 8.70% H, and 17.27% N by mass and has a molecular mass of 163.23 g/mol. What is the molecular formula of nicotine?
(a) CHN
(b) C5H7N
(c) C6H9N
(d) C10H14N2
(e) C12H18N2