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Molecular Weight Calculator

Molecular Weight Calculator

Enter a chemical formula like Hβ‚‚O, NaCl, C₆H₁₂O₆ to get the molar mass

MW = Σ(atomic weight × count)  |  units: g/mol

Use standard element symbols. Subscripts as numbers (H2O not Hβ‚‚O).

Molar Mass
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in kg/mol
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in Da (u)
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1 mol = ? g
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ElementCountAtomic WtSubtotal
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