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

Atoms, molecules and stoichiometry — practice question

A sample of propyl ethanoate is hydrolysed by being heated under reflux with aqueous NaOH. The two organic products formed in the hydrolysis are then separated, purified and weighed. What percentage by mass does each product make up of the total mass of products obtained?

  • A32.4% and 67.6%
  • B38.3% and 61.7%
  • C42.3% and 57.7%
  • D50.0% and 50.0%

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