Molar Mass of FeO (Iron(II) Oxide)
Molar Mass Calculator
What is the molar mass of FeO?
Answer
M(FeO) =
71.844 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024).
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Feiron | 1 | 55.845 | 55.845 w ≈ 77.73% | ≈ 77.73% |
| Ooxygen | 1 | 15.999 | 15.999 w ≈ 22.27% | ≈ 22.27% |
| Σ = 71.844 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
Fe 77.73%
O 22.27%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| Cl₂ (chlorine) | 70.90 |
| MnO (manganese(II) oxide) | 70.937 |
| C₃H₅NO (acrylamide) | 71.079 |
| FeO (iron(II) oxide) | 71.844 |
| C₃H₄O₂ (acrylic acid) | 72.063 |
| C₄H₈O (butanone) | 72.107 |
| CaS (calcium sulfide) | 72.14 |