The relative formula masses of four compounds are provided. A student has a $1.0\,\text{g}$ sample of each compound. Which sample includes the greatest number of moles of oxygen atoms?
- A$\text{Al}_2\text{O}_3$ (relative formula mass $102$)
- B$\text{CuO}$ (relative formula mass $80$)
- C$\text{H}_2\text{SO}_4$ (relative formula mass $98$)
- D$\text{HNO}_3$ (relative formula mass $63$)