⚗ Molar Mass Calculator
Enter the chemical formula to get the molar mass and percent composition
Examples:

Elements

  • HUppercase first letter
  • CaLowercase second letter
  • Fe≠ FE or fe

Subíndices y grupos

  • H2SO4Number right after
  • Ca(OH)2Parentheses for groups
  • Fe2(SO4)3External subscript for group

Do not include

  • ❌ Coefficients: 2H2O
  • ❌ States: NaCl(aq)
  • ❌ Charges: Fe3+