Formamide at a glance
| Property | Value |
|---|
| Molar mass | 45.041 g/mol |
|---|
| Molecular weight | 45.041 u |
|---|
| Chemical formula | CH3NO |
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| Monoisotopic mass | 45.0214637 u |
|---|
| CAS number | 75-12-7 |
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| PubChem CID | 713 |
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How to calculate the molar mass of formamide
1 × 12.011 + 3 × 1.008 + 1 × 14.007 + 1 × 15.999 = 45.041 g/mol
- Count the atoms in CH3NO: C 1, H 3, N 1, O 1.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 45.041 g/mol.
Elemental composition of formamide
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| C Carbon | 1 | 12.011 | 12.011 | 26.667% |
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| H Hydrogen | 3 | 1.008 | 3.024 | 6.7139% |
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| N Nitrogen | 1 | 14.007 | 14.007 | 31.098% |
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| O Oxygen | 1 | 15.999 | 15.999 | 35.521% |
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Grams and moles of formamide
| Amount | Equals |
|---|
| 1 g | 0.022202 mol |
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| 10 g | 0.22202 mol |
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| 100 g | 2.2202 mol |
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| 0.1 mol | 4.5041 g |
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| 1 mol | 45.041 g |
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| 1 g, in particles | 1.337 × 10^22 |
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Calculate other compounds