Hydrogen Peroxide at a glance
| Property | Value |
|---|
| Molar mass | 34.014 g/mol |
|---|
| Molecular weight | 34.014 u |
|---|
| Chemical formula | H2O2 |
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| Monoisotopic mass | 34.0054793 u |
|---|
| CAS number | 7722-84-1 |
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| PubChem CID | 784 |
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How to calculate the molar mass of hydrogen peroxide
2 × 1.008 + 2 × 15.999 = 34.014 g/mol
- Count the atoms in H2O2: H 2, O 2.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 34.014 g/mol.
Elemental composition of hydrogen peroxide
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| H Hydrogen | 2 | 1.008 | 2.016 | 5.927% |
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| O Oxygen | 2 | 15.999 | 31.998 | 94.073% |
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Grams and moles of hydrogen peroxide
| Amount | Equals |
|---|
| 1 g | 0.0294 mol |
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| 10 g | 0.294 mol |
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| 100 g | 2.94 mol |
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| 0.1 mol | 3.4014 g |
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| 1 mol | 34.014 g |
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| 1 g, in particles | 1.7705 × 10^22 |
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Calculate other compounds