Magnesium Hydroxide at a glance
| Property | Value |
|---|
| Molar mass | 58.319 g/mol |
|---|
| Molecular weight | 58.319 u |
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| Chemical formula | Mg(OH)2 |
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| Monoisotopic mass | 57.990521 u |
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| CAS number | 1309-42-8 |
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| PubChem CID | 73981 |
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How to calculate the molar mass of magnesium hydroxide
1 × 24.305 + 2 × 15.999 + 2 × 1.008 = 58.319 g/mol
- Count the atoms in Mg(OH)2: Mg 1, O 2, H 2.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 58.319 g/mol.
Elemental composition of magnesium hydroxide
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| Mg Magnesium | 1 | 24.305 | 24.305 | 41.676% |
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| O Oxygen | 2 | 15.999 | 31.998 | 54.867% |
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| H Hydrogen | 2 | 1.008 | 2.016 | 3.4568% |
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Grams and moles of magnesium hydroxide
| Amount | Equals |
|---|
| 1 g | 0.017147 mol |
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| 10 g | 0.17147 mol |
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| 100 g | 1.7147 mol |
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| 0.1 mol | 5.8319 g |
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| 1 mol | 58.319 g |
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| 1 g, in particles | 1.0326 × 10^22 |
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Calculate other compounds