Molar Mass of C12H25NaO4S (Sodium Lauryl Sulfate)
Molar Mass Calculator
What is the molar mass of C12H25NaO4S?
Answer
M(C12H25NaO4S) ≈
288.38 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — S: 32.06.
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Ccarbon | 12 | 12.011 | 144.132 w ≈ 49.98% | ≈ 49.98% |
| Hhydrogen | 25 | 1.0080 | 25.2000 w ≈ 8.74% | ≈ 8.74% |
| Nasodium | 1 | 22.990 | 22.990 w ≈ 7.97% | ≈ 7.97% |
| Ooxygen | 4 | 15.999 | 63.996 w ≈ 22.19% | ≈ 22.19% |
| Ssulfur | 1 | 32.06 | 32.06 w ≈ 11.12% | ≈ 11.12% |
| Σ = 288.378 ≈ 288.38 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
C 49.98%
O 22.19%S 11.12%H 8.74%Na 7.97%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| Na₂CO₃·10H₂O (sodium carbonate decahydrate) | 286.138 |
| ZnSO₄·7H₂O (zinc sulfate heptahydrate) | 287.54 |
| CaWO₄ (calcium tungstate) | 287.91 |
| C₁₂H₂₅NaO₄S (sodium lauryl sulfate) | 288.38 |
| CaI₂ (calcium iodide) | 293.88 |
| K₂Cr₂O₇ (potassium dichromate) | 294.181 |
| HgSO₄ (mercuric sulfate) | 296.65 |