Chloramphenicol at a glance
| Property | Value |
|---|
| Molar mass | 323.126 g/mol |
|---|
| Molecular weight | 323.126 u |
|---|
| Chemical formula | C11H12Cl2N2O5 |
|---|
| Monoisotopic mass | 322.012327 u |
|---|
| CAS number | 56-75-7 |
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| PubChem CID | 5959 |
|---|
How to calculate the molar mass of chloramphenicol
11 × 12.011 + 12 × 1.008 + 2 × 35.45 + 2 × 14.007 + 5 × 15.999 = 323.126 g/mol
- Count the atoms in C11H12Cl2N2O5: C 11, H 12, Cl 2, N 2, O 5.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 323.126 g/mol.
Elemental composition of chloramphenicol
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| C Carbon | 11 | 12.011 | 132.121 | 40.888% |
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| H Hydrogen | 12 | 1.008 | 12.096 | 3.7434% |
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| Cl Chlorine | 2 | 35.45 | 70.9 | 21.942% |
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| N Nitrogen | 2 | 14.007 | 28.014 | 8.6697% |
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| O Oxygen | 5 | 15.999 | 79.995 | 24.757% |
|---|
Grams and moles of chloramphenicol
| Amount | Equals |
|---|
| 1 g | 0.0030948 mol |
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| 10 g | 0.030948 mol |
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| 100 g | 0.30948 mol |
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| 0.1 mol | 32.313 g |
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| 1 mol | 323.13 g |
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| 1 g, in particles | 1.8637 × 10^21 |
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