Copper(I) Oxide at a glance
| Property | Value |
|---|
| Molar mass | 143.091 g/mol |
|---|
| Molecular weight | 143.091 u |
|---|
| Chemical formula | Cu2O |
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| Monoisotopic mass | 141.85411 u |
|---|
| CAS number | 1317-39-1 |
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| PubChem CID | 18346908 |
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How to calculate the molar mass of copper(I) oxide
2 × 63.546 + 1 × 15.999 = 143.091 g/mol
- Count the atoms in Cu2O: Cu 2, O 1.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 143.091 g/mol.
Elemental composition of copper(I) oxide
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| Cu Copper | 2 | 63.546 | 127.092 | 88.819% |
|---|
| O Oxygen | 1 | 15.999 | 15.999 | 11.181% |
|---|
Grams and moles of copper(I) oxide
| Amount | Equals |
|---|
| 1 g | 0.0069886 mol |
|---|
| 10 g | 0.069886 mol |
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| 100 g | 0.69886 mol |
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| 0.1 mol | 14.309 g |
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| 1 mol | 143.09 g |
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| 1 g, in particles | 4.2086 × 10^21 |
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