Disodium Hydrogen Phosphate Dodecahydrate at a glance
| Property | Value |
|---|
| Molar mass | 358.138 g/mol |
|---|
| Molecular weight | 358.138 u |
|---|
| Chemical formula | Na2HPO4·12H2O |
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| Monoisotopic mass | 358.06756 u |
|---|
| CAS number | 10039-32-4 |
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| PubChem CID | 61456 |
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How to calculate the molar mass of disodium hydrogen phosphate dodecahydrate
2 × 22.99 + 25 × 1.008 + 1 × 30.974 + 16 × 15.999 = 358.138 g/mol
- Count the atoms in Na2HPO4·12H2O: Na 2, H 25, P 1, O 16.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 358.138 g/mol.
Elemental composition of disodium hydrogen phosphate dodecahydrate
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| Na Sodium | 2 | 22.99 | 45.98 | 12.839% |
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| H Hydrogen | 25 | 1.008 | 25.2 | 7.0364% |
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| P Phosphorus | 1 | 30.974 | 30.974 | 8.6486% |
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| O Oxygen | 16 | 15.999 | 255.984 | 71.476% |
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Grams and moles of disodium hydrogen phosphate dodecahydrate
| Amount | Equals |
|---|
| 1 g | 0.0027922 mol |
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| 10 g | 0.027922 mol |
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| 100 g | 0.27922 mol |
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| 0.1 mol | 35.814 g |
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| 1 mol | 358.14 g |
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| 1 g, in particles | 1.6815 × 10^21 |
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