A-LevelChemistryCarboxylic acids and derivatives9701/12 · May/June 2012 · Q201 Mark
Use of the Data Booklet is relevant to this question. A sample of propyl ethanoate is hydrolysed by heating under reflux with aqueous sodium hydroxide. The two organic products of the hydrolysis are separated, purified and weighed. Out of the total mass of products obtained, what is the percentage by mass of each product?
A32.4% and 67.6%
B38.3% and 61.7%
C42.3% and 57.7%
D50.0% and 50.0%
✓ Correct answer
C: 42.3% and 57.7%
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