Methanol at a glance
| Property | Value |
|---|
| Molar mass | 32.042 g/mol |
|---|
| Molecular weight | 32.042 u |
|---|
| Chemical formula | CH3OH |
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| Monoisotopic mass | 32.0262147 u |
|---|
| CAS number | 67-56-1 |
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| PubChem CID | 887 |
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How to calculate the molar mass of methanol
1 × 12.011 + 4 × 1.008 + 1 × 15.999 = 32.042 g/mol
- Count the atoms in CH3OH: C 1, H 4, O 1.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 32.042 g/mol.
Elemental composition of methanol
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| C Carbon | 1 | 12.011 | 12.011 | 37.485% |
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| H Hydrogen | 4 | 1.008 | 4.032 | 12.583% |
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| O Oxygen | 1 | 15.999 | 15.999 | 49.931% |
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Grams and moles of methanol
| Amount | Equals |
|---|
| 1 g | 0.031209 mol |
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| 10 g | 0.31209 mol |
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| 100 g | 3.1209 mol |
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| 0.1 mol | 3.2042 g |
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| 1 mol | 32.042 g |
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| 1 g, in particles | 1.8795 × 10^22 |
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Calculate other compounds