Multiple choice

A formula representing the simplest ratio of atoms in a molecule is

  1. chemical formula

  2. molecular formula

  3. empirical formula

  4. structural formula

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C Correct answer
Explanation

An empirical formula represents the simplest whole number ratio of various atoms present in a compound. If the mass per cent of various elements present in a compound is known, it's empirical formula can be determined. Molecular formula can further be obtained if the molar mass is known.

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