Sodium Dodecyl Sulfate at a glance
| Property | Value |
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| Molar mass | 288.378 g/mol |
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| Molecular weight | 288.378 u |
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| Chemical formula | CH3(CH2)11OSO3Na |
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| Monoisotopic mass | 288.137125 u |
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| CAS number | 151-21-3 |
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| PubChem CID | 3423265 |
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How to calculate the molar mass of sodium dodecyl sulfate
12 × 12.011 + 25 × 1.008 + 4 × 15.999 + 1 × 32.06 + 1 × 22.99 = 288.378 g/mol
- Count the atoms in CH3(CH2)11OSO3Na: C 12, H 25, O 4, S 1, Na 1.
- Multiply each atom count by the atomic weight of the element.
- Add the results to get 288.378 g/mol.
Elemental composition of sodium dodecyl sulfate
| Element | Atoms | Atomic weight | Mass (g/mol) | Mass % |
|---|
| C Carbon | 12 | 12.011 | 144.132 | 49.98% |
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| H Hydrogen | 25 | 1.008 | 25.2 | 8.7385% |
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| O Oxygen | 4 | 15.999 | 63.996 | 22.192% |
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| S Sulfur | 1 | 32.06 | 32.06 | 11.117% |
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| Na Sodium | 1 | 22.99 | 22.99 | 7.9722% |
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Grams and moles of sodium dodecyl sulfate
| Amount | Equals |
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| 1 g | 0.0034677 mol |
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| 10 g | 0.034677 mol |
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| 100 g | 0.34677 mol |
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| 0.1 mol | 28.838 g |
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| 1 mol | 288.38 g |
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| 1 g, in particles | 2.0883 × 10^21 |
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