Molar Mass of C4H2O3 (Maleic Anhydride)
Molar Mass Calculator
What is the molar mass of C4H2O3?
Answer
M(C4H2O3) =
98.057 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 ≈ 49.00% | ≈ 49.00% |
| Hhydrogen | 2 | 1.0080 | 2.0160 w ≈ 2.06% | ≈ 2.06% |
| Ooxygen | 3 | 15.999 | 47.997 w ≈ 48.95% | ≈ 48.95% |
| Σ = 98.057 g/mol w = 100% | 100% | |||
Each fraction is rounded on its own, so the printed ones add up to 100.01%; unrounded, they make exactly 100%.
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
C 49.00%O 48.95%
H 2.06%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| Cu(OH)₂ (cupric hydroxide) | 97.560 |
| NH₄Br (ammonium bromide) | 97.943 |
| H₃PO₄ (phosphoric acid) | 97.994 |
| C₄H₂O₃ (maleic anhydride) | 98.057 |
| H₂SO₄ (sulfuric acid) | 98.07 |
| CH₃COOK (potassium acetate) | 98.142 |
| C₆H₁₀O (cyclohexanone) | 98.145 |