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Calculadora de masa molar

Introduce una fórmula como H₂O o C₆H₁₂O₆ y obtén la masa molar en g/mol con desglose por elemento.

How to use

  1. Type the molecular formula using element symbols and subscript numbers — for example H2O, NaCl, or C6H12O6.
  2. Use parentheses for groups followed by a multiplier: Ca(OH)2, Al2(SO4)3.
  3. Click Calculate Molar Mass to see the total in g/mol and the per-element breakdown.

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Preguntas frecuentes

Is the molar mass calculator free?
Yes, completely free with no signup required.
Does my data leave my device?
No. All calculations run in JavaScript in your browser and nothing is sent to a server.
Does it work on mobile?
Yes. The calculator works on iPhone Safari and Android Chrome.

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