Chemistry 0620 · IGCSE · Formulae

Formulae — practice question

An analysis of a compound shows that it contains only $85.7\%$ carbon and $14.3\%$ hydrogen. What is the empirical formula?

  • ACH
  • B$\text{CH}_2$
  • C$\text{C}_2\text{H}_4$
  • D$\text{C}_6\text{H}$

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