Penicillin G at a glance
| Property | Value |
|---|
| Molar mass | 334.39 g/mol |
|---|
| Molecular weight | 334.39 u |
|---|
| Chemical formula | C16H18N2O4S |
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| Monoisotopic mass | 334.098728 u |
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| CAS number | 61-33-6 |
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| PubChem CID | 5904 |
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How to calculate the molar mass of penicillin G
16 × 12.011 + 18 × 1.008 + 2 × 14.007 + 4 × 15.999 + 1 × 32.06 = 334.39 g/mol
- Count the atoms in C16H18N2O4S: C 16, H 18, N 2, O 4, S 1.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 334.39 g/mol.
Elemental composition of penicillin G
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| C Carbon | 16 | 12.011 | 192.176 | 57.471% |
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| H Hydrogen | 18 | 1.008 | 18.144 | 5.426% |
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| N Nitrogen | 2 | 14.007 | 28.014 | 8.3776% |
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| O Oxygen | 4 | 15.999 | 63.996 | 19.138% |
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| S Sulfur | 1 | 32.06 | 32.06 | 9.5876% |
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Grams and moles of penicillin G
| Amount | Equals |
|---|
| 1 g | 0.0029905 mol |
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| 10 g | 0.029905 mol |
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| 100 g | 0.29905 mol |
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| 0.1 mol | 33.439 g |
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| 1 mol | 334.39 g |
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| 1 g, in particles | 1.8009 × 10^21 |
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Calculate other compounds