Chemistry 0620 · IGCSE · Formulae

Formulae — practice question

By mass, a hydrocarbon is $85.7\%$ carbon. State the empirical formula of the hydrocarbon.

  • A$\text{CH}_2$
  • B$\text{CH}_4$
  • C$\text{C}_2\text{H}_5$
  • D$\text{C}_3\text{H}_6$

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