Hydrogen Gas at a glance
| Property | Value |
|---|
| Molar mass | 2.016 g/mol |
|---|
| Molecular weight | 2.016 u |
|---|
| Chemical formula | H2 |
|---|
| Monoisotopic mass | 2.01565006 u |
|---|
| CAS number | 1333-74-0 |
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| PubChem CID | 783 |
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How to calculate the molar mass of hydrogen gas
2 × 1.008 = 2.016 g/mol
- Count the atoms in H2: H 2.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 2.016 g/mol.
Elemental composition of hydrogen gas
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| H Hydrogen | 2 | 1.008 | 2.016 | 100% |
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Grams and moles of hydrogen gas
| Amount | Equals |
|---|
| 1 g | 0.49603 mol |
|---|
| 10 g | 4.9603 mol |
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| 100 g | 49.603 mol |
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| 0.1 mol | 0.2016 g |
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| 1 mol | 2.016 g |
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| 1 g, in particles | 2.9872 × 10^23 |
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Calculate other compounds