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Chemistry 5070 · Cambridge (CAIE) O Level

Empirical and Molecular Formulae

1 past-paper question on Empirical and Molecular Formulae · examined 2024–2024.

20241 question

5070/11 · O/N · Q10 [1]Sign up to mark my answer →

Compound X contains carbon, hydrogen and oxygen only. It has an Mr of 90. 100 g of compound X contains 40.0 g of carbon and 6.7 g of hydrogen. How many oxygen atoms are there in each molecule of compound X?

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