Molar Mass of Cu2O (Copper(I) Oxide)
Molar Mass Calculator
What is the molar mass of Cu2O?
Answer
M(Cu2O) =
143.091 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024).
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Cucopper | 2 | 63.546 | 127.092 w ≈ 88.82% | ≈ 88.82% |
| Ooxygen | 1 | 15.999 | 15.999 w ≈ 11.18% | ≈ 11.18% |
| Σ = 143.091 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
Cu 88.82%
O 11.18%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| Na₂SO₄ (sodium sulfate) | 142.04 |
| C₁₀H₂₂ (decane) | 142.286 |
| Ca(ClO)₂ (calcium hypochlorite) | 142.98 |
| Cu₂O (copper(I) oxide) | 143.091 |
| AgCl (silver chloride) | 143.32 |
| MoO₃ | 143.95 |
| Al₄C₃ (aluminium carbide) | 143.961 |