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Chemistry 5070 · Cambridge (CAIE) O Level
Empirical and Molecular Formulas
2 past-paper questions on Empirical and Molecular Formulas · examined 2022–2022.
20222 questions
5070/12 · O/N · Q14 [1]Sign up to mark my answer →
Which compound has an empirical formula that is different from its molecular formula?
5070/21 · M/J · Q8(d)(ii) [3]Sign up to mark my answer →
Compound X contains 85.7% carbon by mass and 14.3% hydrogen by mass. Calculate, using the percentage composition data, the empirical formula of X. Show your working. State the molecular formula of X.
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