Methane at a glance
| Property | Value |
|---|
| Molar mass | 16.043 g/mol |
|---|
| Molecular weight | 16.043 u |
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| Chemical formula | CH4 |
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| Monoisotopic mass | 16.0313001 u |
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| CAS number | 74-82-8 |
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| PubChem CID | 297 |
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How to calculate the molar mass of methane
1 × 12.011 + 4 × 1.008 = 16.043 g/mol
- Count the atoms in CH4: C 1, H 4.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 16.043 g/mol.
Elemental composition of methane
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| C Carbon | 1 | 12.011 | 12.011 | 74.868% |
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| H Hydrogen | 4 | 1.008 | 4.032 | 25.132% |
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Grams and moles of methane
| Amount | Equals |
|---|
| 1 g | 0.062332 mol |
|---|
| 10 g | 0.62332 mol |
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| 100 g | 6.2332 mol |
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| 0.1 mol | 1.6043 g |
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| 1 mol | 16.043 g |
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| 1 g, in particles | 3.7537 × 10^22 |
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Calculate other compounds