Copper(II) Sulfate Pentahydrate at a glance
| Property | Value |
|---|
| Molar mass | 249.677 g/mol |
|---|
| Molecular weight | 249.677 u |
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| Chemical formula | CuSO4·5H2O |
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| Monoisotopic mass | 248.934151 u |
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| CAS number | 7758-99-8 |
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| PubChem CID | 24463 |
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How to calculate the molar mass of copper(II) sulfate pentahydrate
1 × 63.546 + 1 × 32.06 + 9 × 15.999 + 10 × 1.008 = 249.677 g/mol
- Count the atoms in CuSO4·5H2O: Cu 1, S 1, O 9, H 10.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 249.677 g/mol.
Elemental composition of copper(II) sulfate pentahydrate
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| Cu Copper | 1 | 63.546 | 63.546 | 25.451% |
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| S Sulfur | 1 | 32.06 | 32.06 | 12.841% |
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| O Oxygen | 9 | 15.999 | 143.991 | 57.671% |
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| H Hydrogen | 10 | 1.008 | 10.08 | 4.0372% |
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Grams and moles of copper(II) sulfate pentahydrate
| Amount | Equals |
|---|
| 1 g | 0.0040052 mol |
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| 10 g | 0.040052 mol |
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| 100 g | 0.40052 mol |
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| 0.1 mol | 24.968 g |
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| 1 mol | 249.68 g |
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| 1 g, in particles | 2.412 × 10^21 |
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