Cobalt(II) Chloride Hexahydrate at a glance
| Property | Value |
|---|
| Molar mass | 237.9232 g/mol |
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| Molecular weight | 237.9232 u |
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| Chemical formula | CoCl2·6H2O |
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| CAS number | 7791-13-1 |
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| PubChem CID | 24643 |
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How to calculate the molar mass of cobalt(II) chloride hexahydrate
1 × 58.93319 + 2 × 35.45 + 12 × 1.008 + 6 × 15.999 = 237.9232 g/mol
- Count the atoms in CoCl2·6H2O: Co 1, Cl 2, H 12, O 6.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 237.9232 g/mol.
Elemental composition of cobalt(II) chloride hexahydrate
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
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| Co Cobalt | 1 | 58.93319 | 58.93319 | 24.77% |
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| Cl Chlorine | 2 | 35.45 | 70.9 | 29.8% |
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| H Hydrogen | 12 | 1.008 | 12.096 | 5.084% |
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| O Oxygen | 6 | 15.999 | 95.994 | 40.347% |
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Grams and moles of cobalt(II) chloride hexahydrate
| Amount | Equals |
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| 1 g | 0.004203 mol |
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| 10 g | 0.04203 mol |
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| 100 g | 0.4203 mol |
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| 0.1 mol | 23.792 g |
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| 1 mol | 237.92 g |
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| 1 g, in particles | 2.5311 × 10^21 |
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