Formic Acid at a glance
| Property | Value |
|---|
| Molar mass | 46.025 g/mol |
|---|
| Molecular weight | 46.025 u |
|---|
| Chemical formula | HCOOH |
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| Monoisotopic mass | 46.0054793 u |
|---|
| CAS number | 64-18-6 |
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| PubChem CID | 284 |
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How to calculate the molar mass of formic acid
2 × 1.008 + 1 × 12.011 + 2 × 15.999 = 46.025 g/mol
- Count the atoms in HCOOH: H 2, C 1, O 2.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 46.025 g/mol.
Elemental composition of formic acid
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| H Hydrogen | 2 | 1.008 | 2.016 | 4.3802% |
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| C Carbon | 1 | 12.011 | 12.011 | 26.097% |
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| O Oxygen | 2 | 15.999 | 31.998 | 69.523% |
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Grams and moles of formic acid
| Amount | Equals |
|---|
| 1 g | 0.021727 mol |
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| 10 g | 0.21727 mol |
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| 100 g | 2.1727 mol |
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| 0.1 mol | 4.6025 g |
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| 1 mol | 46.025 g |
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| 1 g, in particles | 1.3084 × 10^22 |
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Calculate other compounds