Aluminum Sulfate Octadecahydrate at a glance
| Property | Value |
|---|
| Molar mass | 666.402 g/mol |
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| Molecular weight | 666.402 u |
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| Chemical formula | Al2(SO4)3·18H2O |
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| Monoisotopic mass | 666.00843 u |
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| CAS number | 7784-31-8 |
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| PubChem CID | 22377415 |
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How to calculate the molar mass of aluminum sulfate octadecahydrate
2 × 26.982 + 3 × 32.06 + 30 × 15.999 + 36 × 1.008 = 666.402 g/mol
- Count the atoms in Al2(SO4)3·18H2O: Al 2, S 3, O 30, H 36.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 666.402 g/mol.
Elemental composition of aluminum sulfate octadecahydrate
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| Al Aluminum | 2 | 26.982 | 53.964 | 8.0978% |
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| S Sulfur | 3 | 32.06 | 96.18 | 14.433% |
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| O Oxygen | 30 | 15.999 | 479.97 | 72.024% |
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| H Hydrogen | 36 | 1.008 | 36.288 | 5.4454% |
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Grams and moles of aluminum sulfate octadecahydrate
| Amount | Equals |
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| 1 g | 0.0015006 mol |
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| 10 g | 0.015006 mol |
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| 100 g | 0.15006 mol |
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| 0.1 mol | 66.64 g |
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| 1 mol | 666.4 g |
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| 1 g, in particles | 9.0368 × 10^20 |
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