Chemistry 9701 · AS & A Level · Atoms, molecules and stoichiometry

Atoms, molecules and stoichiometry — practice question

Camphor is a white solid that was used in the manufacture of early plastic celluloid. The mass percentage of hydrogen in camphor is the same as the mass percentage of oxygen. What is the molecular formula of camphor?

  • A$\text{C}_{10}\text{H}_6\text{O}_6$
  • B$\text{C}_{10}\text{H}_8\text{O}$
  • C$\text{C}_{10}\text{H}_{16}\text{O}$
  • D$\text{C}_{10}\text{H}_{10}\text{O}_2$

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