Molar Mass of H2SO3 (Sulfurous Acid)
Molar Mass Calculator
What is the molar mass of H2SO3?
Answer
M(H2SO3) ≈
82.07 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 | |
|---|---|---|---|---|
| Hhydrogen | 2 | 1.0080 | 2.0160 w ≈ 2.46% | ≈ 2.46% |
| Ssulfur | 1 | 32.06 | 32.06 w ≈ 39.06% | ≈ 39.06% |
| Ooxygen | 3 | 15.999 | 47.997 w ≈ 58.48% | ≈ 58.48% |
| Σ = 82.073 ≈ 82.07 g/mol w = 100% | 100% | |||
Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)
O 58.48%S 39.06%
H 2.46%
Found an error in the calculation or the information?
Related Calculations
See Also
- Liters to Kilograms - How many kilograms are in a liter of water, honey, gasoline, sand and other substances — by density
- Grams to Kg - Convert Grams to Kilograms
- Percentage Calculator: Fraction to Percent - What percentage one number is of another? Convert fraction into a percentage
- Scientific Calculator with Memory & History - Free Engineering Calculator Online with Memory Function, Operation History, Logarithms & Trigonometry. Similar to ti-83, ti-84, ti-89
Share This Calculation
Print
<a href="https://calculat.io/en/other/molar-mass/h2so3">Molar Mass of H2SO3 (Sulfurous Acid): Step by Step</a>Facebook
Twitter
Telegram
WhatsApp
Viber
Email
Molar masses of substances nearby
| Formula | M, g/mol |
|---|---|
| ZnO (zinc oxide) | 81.38 |
| H₃PO₃ (phosphonic acid) | 81.995 |
| CH₃COONa (sodium acetate) | 82.034 |
| H₂SO₃ (sulfurous acid) | 82.07 |
| C₆H₁₀ (cyclohexene) | 82.146 |
| Kr (krypton) | 83.798 |
| AlF₃ (aluminum fluoride) | 83.976 |