Essential Chemistry for IGCSE - Chemical Calculations (Section 5 - No. 27)
Which of the following statements accurately describes the empirical formula of a compound?
It shows the actual number of atoms in a molecule.
It represents the simplest whole number ratio of atoms in a compound.
It is always the same as the molecular formula.
It is used only for ionic compounds.
Explanation
The empirical formula simplifies the ratio of atoms in a compound to the lowest whole numbers.
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