Sodium Metabisulfite at a glance
| Property | Value |
|---|
| Molar mass | 190.095 g/mol |
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| Molecular weight | 190.095 u |
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| Chemical formula | Na2S2O5 |
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| Monoisotopic mass | 189.898254 u |
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| CAS number | 7681-57-4 |
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| PubChem CID | 656671 |
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How to calculate the molar mass of sodium metabisulfite
2 × 22.99 + 2 × 32.06 + 5 × 15.999 = 190.095 g/mol
- Count the atoms in Na2S2O5: Na 2, S 2, O 5.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 190.095 g/mol.
Elemental composition of sodium metabisulfite
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| Na Sodium | 2 | 22.99 | 45.98 | 24.188% |
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| S Sulfur | 2 | 32.06 | 64.12 | 33.731% |
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| O Oxygen | 5 | 15.999 | 79.995 | 42.082% |
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Grams and moles of sodium metabisulfite
| Amount | Equals |
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| 1 g | 0.0052605 mol |
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| 10 g | 0.052605 mol |
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| 100 g | 0.52605 mol |
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| 0.1 mol | 19.01 g |
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| 1 mol | 190.1 g |
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| 1 g, in particles | 3.168 × 10^21 |
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Calculate other compounds