Disodium Hydrogen Phosphate Heptahydrate at a glance
| Property | Value |
|---|
| Molar mass | 268.063 g/mol |
|---|
| Molecular weight | 268.063 u |
|---|
| Chemical formula | Na2HPO4·7H2O |
|---|
| Monoisotopic mass | 268.014737 u |
|---|
| CAS number | 7782-85-6 |
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| PubChem CID | 6096963 |
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How to calculate the molar mass of disodium hydrogen phosphate heptahydrate
2 × 22.99 + 15 × 1.008 + 1 × 30.974 + 11 × 15.999 = 268.063 g/mol
- Count the atoms in Na2HPO4·7H2O: Na 2, H 15, P 1, O 11.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 268.063 g/mol.
Elemental composition of disodium hydrogen phosphate heptahydrate
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| Na Sodium | 2 | 22.99 | 45.98 | 17.153% |
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| H Hydrogen | 15 | 1.008 | 15.12 | 5.6405% |
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| P Phosphorus | 1 | 30.974 | 30.974 | 11.555% |
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| O Oxygen | 11 | 15.999 | 175.989 | 65.652% |
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Grams and moles of disodium hydrogen phosphate heptahydrate
| Amount | Equals |
|---|
| 1 g | 0.0037305 mol |
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| 10 g | 0.037305 mol |
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| 100 g | 0.37305 mol |
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| 0.1 mol | 26.806 g |
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| 1 mol | 268.06 g |
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| 1 g, in particles | 2.2465 × 10^21 |
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