Molar Mass of C4H6O3 (Acetic Anhydride)
Molar Mass Calculator
What is the molar mass of C4H6O3?
Answer
M(C4H6O3) =
102.089 g/mol
Atomic weights: IUPAC standard values (CIAAW, 2024).
| Element | Atoms, n | Atomic weight, A | n × A, g/mol Mass fraction, w | |
|---|---|---|---|---|
| Ccarbon | 4 | 12.011 | 48.044 w ≈ 47.06% | ≈ 47.06% |
| Hhydrogen | 6 | 1.0080 | 6.0480 w ≈ 5.92% | ≈ 5.92% |
| Ooxygen | 3 | 15.999 | 47.997 w ≈ 47.01% | ≈ 47.01% |
| Σ = 102.089 g/mol w = 100% | 100% | |||
Each fraction is rounded on its own, so the printed ones add up to 99.99%; unrounded, they make exactly 100%.
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
C 47.06%O 47.01%
H 5.92%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| KNO₃ (potassium nitrate) | 101.102 |
| C₆H₁₅N (triethylamine) | 101.193 |
| Al₂O₃ (aluminium oxide) | 101.961 |
| C₄H₆O₃ (acetic anhydride) | 102.089 |
| C₆H₁₃OH | 102.177 |
| NaBr (sodium bromide) | 102.894 |
| Rh (rhodium) | 102.91 |