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Molecular Weight Calculator

Calculate molar mass and element composition percentage from chemical formula.

Invalid chemical formula format or unrecognized element.
Water (H2O) Glucose (C6H12O6) Salt (NaCl) H2SO4 (NH4)2SO4
Molar Mass / Molecular Weight
0 g/mol

Elemental Composition

Element Atom Count Mass (g/mol) Mass %