Molecular Formula Calculator

Convert Empirical to Molecular Formula

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Molecular Formula Calculator

Calculate the molecular formula from empirical formula and molar mass.

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Understanding Molecular Formula

What is a Molecular Formula?

A molecular formula shows the actual number of atoms of each element in a molecule. It's derived from the empirical formula and molar mass.

Molecular Formula = (Empirical Formula)n

where n = Molecular Mass / Empirical Formula Mass

Applications

Molecular formulas are essential in:

  • Structure determination
  • Chemical synthesis
  • Drug development
  • Material science

Relationship to Empirical Formula

Key relationships:

  • Simplest whole number ratio
  • Mass relationship
  • Structural insights
  • Composition analysis

Practical Considerations

Important points to remember:

  • Must know molar mass
  • Empirical formula required
  • Whole number relationship
  • Experimental verification needed