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Molecular Weight Calculator
Calculate the molecular weight of any chemical formula using the periodic table.
Molecular Weight
18.015 g/mol
H2O
Element Breakdown
| Element | Symbol | Count | Atomic Mass | Subtotal | % |
|---|---|---|---|---|---|
| Oxygen | O | 1 | 15.999 | 15.999 | 88.8% |
| Hydrogen | H | 2 | 1.008 | 2.016 | 11.2% |
| Total | 18.015 | 100% | |||