Chapter 2.7, Problem 1PPA

Practice ProblemATTEMPT

Write empirical formulas for the following molecules: (a) caffeine $\left({\text{C}}_{\text{8}}{\text{H}}_{\text{10}}{\text{N}}_{\text{4}}{\text{O}}_{\text{2}}\right)\text{,}$ a stimulant found in tea and coffee, (b) butane $\left({\text{C}}_{\text{4}}{\text{H}}_{\text{10}}\right)\text{,}$ which is used in cigarette lighters, and (c) glycine $\left({\text{C}}_{\text{2}}{\text{H}}_{\text{5}}{\text{NO}}_{\text{2}}\right)\text{,}$ an amino acid.