Moles to Atoms Calculator

Convert Between Moles and Atomic/Molecular Particles

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Moles to Atoms/Molecules Calculator

Calculate number of particles from moles using Avogadro's number.

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Atoms/Molecules to Moles Calculator

Calculate moles from number of particles using Avogadro's number.

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Compound Particle Calculator

Calculate total atoms in a molecular compound.

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Understanding Moles and Atoms

Avogadro's Number

The fundamental conversion factor between moles and particles:

1 mole = 6.02214076 × 10²³ particles

N = n × NA

Key Concepts

Important relationships:

  • Atoms vs. Molecules
  • Formula Units
  • Molar Quantities
  • Particle Counting

Applications

Used in chemistry for:

  • Stoichiometry
  • Gas calculations
  • Solution chemistry
  • Reaction analysis

Common Examples

Particles per mole:

  • H₂O: 3 atoms/molecule
  • CO₂: 3 atoms/molecule
  • NaCl: 2 atoms/formula unit
  • C₆H₁₂O₆: 24 atoms/molecule