Grams to Moles Calculator

Convert Between Mass and Moles

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Grams to Moles Calculator

Calculate moles from mass and molecular weight.

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Moles to Grams Calculator

Calculate mass from moles and molecular weight.

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Molecular Weight Calculator

Calculate molecular weight from chemical formula.

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Understanding Moles

What is a Mole?

A mole is the amount of substance containing exactly 6.02214076 × 10²³ elementary entities:

moles = mass / molecular weight

mass = moles × molecular weight

Key Concepts

Important relationships:

  • 1 mole = 6.022 × 10²³ particles
  • Molar mass in g/mol
  • Mass in grams
  • Molecular weight = sum of atomic weights

Applications

Mole calculations are used in:

  • Stoichiometry
  • Solution preparation
  • Gas calculations
  • Chemical reactions

Common Examples

Molecular weights:

  • H₂O: 18.015 g/mol
  • NaCl: 58.443 g/mol
  • CO₂: 44.009 g/mol
  • C₆H₁₂O₆: 180.156 g/mol