Molar Mass of SO2 (Sulfur Dioxide)
Molar Mass Calculator
What is the molar mass of SO2?
Answer
M(SO2) ≈
64.06 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 | |
|---|---|---|---|---|
| Ssulfur | 1 | 32.06 | 32.06 w ≈ 50.05% | ≈ 50.05% |
| Ooxygen | 2 | 15.999 | 31.998 w ≈ 49.95% | ≈ 49.95% |
| Σ = 64.058 ≈ 64.06 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
S 50.05%O 49.95%
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Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| C₂H₃Cl (vinyl chloride) | 62.50 |
| HNO₃ (nitric acid) | 63.012 |
| Cu (copper) | 63.546 |
| SO₂ (sulfur dioxide) | 64.06 |
| CaC₂ (calcium carbide) | 64.100 |
| C₂H₅Cl (chloroethane) | 64.51 |
| NaN₃ (sodium azide) | 65.011 |