Ammonium Sulfate at a glance
| Property | Value |
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| Molar mass | 132.134 g/mol |
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| Molecular weight | 132.134 u |
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| Chemical formula | (NH4)2SO4 |
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| Monoisotopic mass | 132.020478 u |
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| CAS number | 7783-20-2 |
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| PubChem CID | 6097028 |
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How to calculate the molar mass of ammonium sulfate
2 × 14.007 + 8 × 1.008 + 1 × 32.06 + 4 × 15.999 = 132.134 g/mol
- Count the atoms in (NH4)2SO4: N 2, H 8, S 1, O 4.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 132.134 g/mol.
Elemental composition of ammonium sulfate
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
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| N Nitrogen | 2 | 14.007 | 28.014 | 21.201% |
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| H Hydrogen | 8 | 1.008 | 8.064 | 6.1029% |
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| S Sulfur | 1 | 32.06 | 32.06 | 24.263% |
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| O Oxygen | 4 | 15.999 | 63.996 | 48.433% |
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Grams and moles of ammonium sulfate
| Amount | Equals |
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| 1 g | 0.0075681 mol |
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| 10 g | 0.075681 mol |
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| 100 g | 0.75681 mol |
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| 0.1 mol | 13.213 g |
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| 1 mol | 132.13 g |
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| 1 g, in particles | 4.5576 × 10^21 |
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Calculate other compounds