Chemistry 0620 · Stoichiometry
Empirical formulae and reacting masses
Original revision summary · Syllabus edition awaiting review · Cambridge alignment awaiting review
Key idea 1
Empirical formula: the simplest whole-number ratio of atoms. Divide each mass by its Ar, then divide by the smallest answer.
Knowledge check · unscored
What is the empirical formula of benzene, C₆H₆?
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