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

Atoms, molecules and stoichiometry — practice question

A sample of propyl ethanoate is heated under reflux with aqueous sodium hydroxide so that hydrolysis takes place. The two organic products formed in the hydrolysis are then separated, purified and weighed. Of the total mass of products collected, what percentage by mass is represented by each product?

  • A$32.4\%$ and $67.6\%$
  • B$38.3\%$ and $61.7\%$
  • C$42.3\%$ and $57.7\%$
  • D$50.0\%$ and $50.0\%$

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