Molar Mass Calculator

Calculate molar mass and molecular weight instantly. Features periodic table data, support for complex chemical formulas, and step-by-step calculations. Perfect for chemistry students and professionals.

Features:

  • Calculate molar mass of compounds
  • Real-time calculation
  • Detailed mass breakdown
  • Common elements database
  • Input validation
  • Clear and intuitive interface

About Molar Mass

Molar mass, also known as molecular weight, is the mass of one mole of a substance. It is calculated by adding the atomic weights of all atoms in a molecule. The SI unit for molar mass is grams per mole (g/mol).

Common Compounds

Water and Solutions

  • H₂O (Water): 18.015 g/mol
  • NaCl (Table Salt): 58.443 g/mol
  • NaOH (Sodium Hydroxide): 39.997 g/mol
  • H₂SO₄ (Sulfuric Acid): 98.079 g/mol

Organic Compounds

  • CH₄ (Methane): 16.043 g/mol
  • C₆H₁₂O₆ (Glucose): 180.156 g/mol
  • C₂H₅OH (Ethanol): 46.069 g/mol
  • CH₃COOH (Acetic Acid): 60.052 g/mol

Inorganic Compounds

  • CO₂ (Carbon Dioxide): 44.009 g/mol
  • NH₃ (Ammonia): 17.031 g/mol
  • HCl (Hydrochloric Acid): 36.461 g/mol
  • CaCO₃ (Calcium Carbonate): 100.087 g/mol

Common Uses

Chemistry Lab

  • Solution preparation
  • Stoichiometry calculations
  • Concentration determination
  • Yield calculations

Industry

  • Chemical manufacturing
  • Quality control
  • Product formulation
  • Process optimization

Research

  • Drug development
  • Material science
  • Environmental analysis
  • Biochemistry

Tips for Calculations

  1. Check formula correctness
  2. Use proper subscripts
  3. Include all atoms
  4. Consider hydrates
  5. Verify element symbols

Notes

  • Use standard atomic weights
  • Consider isotopic abundance
  • Watch for polyatomic ions
  • Remember significant figures
  • Account for formula units