Molecule Counter Calculator

Convert Moles to Number of Molecules

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Mole to Molecules Calculator

Convert moles to number of molecules using Avogadro's number.

Number of Molecules: -

Molecular Mass Calculator

Calculate molecular mass and composition of compounds.

Molecular Mass: -

Understanding Molecular Quantities

Molecular Concepts

Key concepts about molecules:

  • Definition of a molecule
  • Molecular vs atomic mass
  • Molecular formulas
  • Chemical bonding
  • Molecular geometry

Avogadro's Number

Important aspects:

  • NA = 6.02214076 × 10²³ particles/mol
  • Mole concept
  • Molecular mass units
  • Stoichiometric calculations
  • Empirical vs molecular formulas

Applications

Molecular calculations are used in:

  • Chemical synthesis
  • Drug development
  • Material science
  • Biochemistry
  • Environmental chemistry

Common Examples

Reference values:

  • 1 mol H₂O = 6.022 × 10²³ molecules
  • 1 mol CO₂ = 6.022 × 10²³ molecules
  • 1 mol glucose = 6.022 × 10²³ molecules
  • 1 mol O₂ = 6.022 × 10²³ molecules

Essential Molecular Formulas

Number of Molecules

N = n × NA

where NA = 6.02214076 × 10²³

Molecular Mass

MM = Σ(atomic mass × number of atoms)

Molar Mass

m = n × MM

where MM is molecular mass