Question

Define empirical formula and molecular formula. How are they related.

Answer 1

• The empirical formula of a compound gives the simplest ratio of the number of different atoms present, whereas the molecular formula gives the actual number of each different atom present in a molecule.
• If the formula is simplified then it is an empirical formula.
• The molecular formula is commonly used and is a multiple of the empirical formula.
• The relationship between molecular formula and empirical formula is given below
• $\mathrm{molecular}\mathrm{formula}=\mathrm{emprirical}\mathrm{formila}\times \mathrm{n}$
• Molecular formula tells the number of atoms of specific element present in a given compound.