Molar Mass Calculator
Calculate the molar mass (molecular weight) of any chemical compound. Perfect for chemistry calculations, stoichiometry, and solution preparation.
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
- Check formula correctness
- Use proper subscripts
- Include all atoms
- Consider hydrates
- Verify element symbols
Notes
- Use standard atomic weights
- Consider isotopic abundance
- Watch for polyatomic ions
- Remember significant figures
- Account for formula units