Chemistry · Oct / Nov 2024 · Paper 12 · Question 10

5070The mole and the Avogadro constant

Compound Z contains carbon, hydrogen and oxygen only. Compound Z contains 48.65% carbon and 8.11% hydrogen by mass. What is the empirical formula of Z?

AC2H4O
BC3H6O2
CC4H8O3
DC8H16O5

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Correct answer: B. C3H6O2

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