Sodium Iodide at a glance
| Property | Value |
|---|
| Molar mass | 149.89 g/mol |
|---|
| Molecular weight | 149.89 u |
|---|
| Chemical formula | NaI |
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| Monoisotopic mass | 149.894241 u |
|---|
| CAS number | 7681-82-5 |
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| PubChem CID | 5238 |
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How to calculate the molar mass of sodium iodide
1 × 22.99 + 1 × 126.9 = 149.89 g/mol
- Count the atoms in NaI: Na 1, I 1.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 149.89 g/mol.
Elemental composition of sodium iodide
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| Na Sodium | 1 | 22.99 | 22.99 | 15.338% |
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| I Iodine | 1 | 126.9 | 126.9 | 84.662% |
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Grams and moles of sodium iodide
| Amount | Equals |
|---|
| 1 g | 0.0066716 mol |
|---|
| 10 g | 0.066716 mol |
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| 100 g | 0.66716 mol |
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| 0.1 mol | 14.989 g |
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| 1 mol | 149.89 g |
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| 1 g, in particles | 4.0177 × 10^21 |
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Calculate other compounds