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

Atoms, molecules and stoichiometry — practice question

Tetraethyl lead, $\text{Pb}(\text{C}_2\text{H}_5)_4$, has been used as a petrol additive. What is the percentage by mass of carbon in tetraethyl lead?

  • A10.2
  • B14.9
  • C29.7
  • D32.0

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