Nitrous Acid at a glance
| Property | Value |
|---|
| Molar mass | 47.013 g/mol |
|---|
| Molecular weight | 47.013 u |
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| Chemical formula | HNO2 |
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| Monoisotopic mass | 47.0007283 u |
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| CAS number | 7782-77-6 |
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| PubChem CID | 24529 |
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How to calculate the molar mass of nitrous acid
1 × 1.008 + 1 × 14.007 + 2 × 15.999 = 47.013 g/mol
- Count the atoms in HNO2: H 1, N 1, O 2.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 47.013 g/mol.
Elemental composition of nitrous acid
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| H Hydrogen | 1 | 1.008 | 1.008 | 2.1441% |
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| N Nitrogen | 1 | 14.007 | 14.007 | 29.794% |
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| O Oxygen | 2 | 15.999 | 31.998 | 68.062% |
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Grams and moles of nitrous acid
| Amount | Equals |
|---|
| 1 g | 0.021271 mol |
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| 10 g | 0.21271 mol |
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| 100 g | 2.1271 mol |
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| 0.1 mol | 4.7013 g |
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| 1 mol | 47.013 g |
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| 1 g, in particles | 1.281 × 10^22 |
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Calculate other compounds