Name: Sulfurous Acid. Sulfurous Acid H2SO3 Molar Mass, Molecular Weight. Molar Mass: 82.0791. This is the reason why the sulfurous molecule is not usually available in the acid form bur frequently used as sodium or potassium salts. The natural occurrence of the compound can be felt in the acid rain when sulfur dioxide reacts together with atmospheric moisture. CAS Registry Number (CAS RN): 7782-99-2 H2SO3 is a colorless liquid at room temperature. Molar mass of H2SO3 is 82.0791 g/mol Compound name is sulfurous acid Convert between H2SO3 weight and moles Home » Chemistry » Sulfurous Acid. (1 u is equal to 1/12 the mass of one atom of carbon-12) Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol. Copyright © 2020 Andlearning.org The chemical formula for the substance is written as H2SO3 with a molecular weight 82.07 g/mol. What is Sulfurous Acid? InChI=1S/H2O3S/c1-4(2)3/h(H2,1,2,3) They are oxidised to sulfuric acid or sulfate by accepting another oxygen atom. Sulfurous Acid Structure The chemical structure of the molecule is also given below where on […] Sulfurous acid is a colorless liquid acid with a pungent burning sulfur odor. Molar volume: 79.689 cm³/mol. However, when exposed to air, it could become toxic and corrosive too. 5 3⁄4H2O will crystallise which decomposes again at 7 °C. Sulfurous acid is a relatively weak acid and corrosive, easy to decompose. It’s a weak acid and reacts with bases to form sulfites and potassium salts. Sulfurous acid (also Sulfuric(IV) acid) is the chemical compound with the formula H 2 SO 3.There is no evidence that sulfurous acid exists in solution, but the molecule has been detected in the gas phase. Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed in the unified atomic mass units (u). Formula: H2SO3. The sulfurous acid is inorganic and weak acid that could be taken as the aqueous solution of sulfur dioxide in water. Thus sulfurous acid H2SO3 cannot be isolated. Exact Mass: 63.944142 g/mol: Computed by PubChem 2.1 (PubChem release 2019.06.18) Monoisotopic Mass: 63.944142 g/mol: Computed by PubChem 2.1 (PubChem release 2019.06.18) Topological Polar Surface Area: 64.2 Ų : Computed by Cactvs 3.4.6.11 (PubChem release 2019.06.18) Heavy Atom Count: 2: Computed by PubChem: Formal Charge: 0: Computed by PubChem: Complexity: 0: Computed by … and a boiling point of minus 60 degree Celsius. [5], Except where otherwise noted, data are given for materials in their, https://en.wikipedia.org/w/index.php?title=Sulfurous_acid&oldid=980569726, Chemical articles with multiple compound IDs, Multiple chemicals in an infobox that need indexing, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 27 September 2020, at 07:25. Its now called, Relative molecular mass or you could use molar mass. Aqueous solutions of sulfur dioxide, which sometimes are referred to as sulfurous acid, are used as reducing agents and as disinfectants, as are solutions of bisulfite and sulfite salts. The sulfurous acid is inorganic and weak acid that could be taken as the aqueous solution of sulfur dioxide in water. Maths Formulas - Class XII | Class XI | Class X | Class IX | Class VIII | Class VII | Class VI | Class V Algebra | Set Theory | Trigonometry | Geometry | Vectors | Statistics | Mensurations | Probability | Calculus | Integration | Differentiation | Derivatives Hindi Grammar - Sangya | vachan | karak | Sandhi | kriya visheshan | Vachya | Varnmala | Upsarg | Vakya | Kaal | Samas | kriya | Sarvanam | Ling. The molecular mass (m) is the mass of a given molecule: it is usually measured in daltons (Da or u).Different molecules of the same compound may have different molecular masses because they contain different isotopes of an element. CopyCopied, Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module, Predicted data is generated using the US Environmental Protection Agency’s EPISuite, Click to predict properties on the Chemicalize site, For medical information relating to Covid-19, please consult the, ACD/Labs Percepta Platform - PhysChem Module, US Environmental Protection Agency’s EPISuite, Compounds with the same molecular formula, Search Google for structures with same skeleton, Inorganic Compound; Non-Metal; Food Toxin; Metabolite; Animal Toxin; Natural Compound; Food Additive. The chemical formula for the substance is written as H2SO3 with a molecular weight 82.07 g/mol. Structure, properties, spectra, suppliers and links for: Sulfurous acid, 7782-99-2. If we look at the uses closely then it is used as a disinfectant and wonderful reducing agent too. It almost not exist in solution, but its varous salts are very common. Molecular mass or molecular weight is the mass of a molecule. Molecular formula: H 2 SO 3 or H 2 O 3 S. Elements: Hydrogen (H), Oxygen (O), Sulfur (S) Molecular weight: 82.08 g/mol. ENDMEMO. CopyCopied, LSNNMFCWUKXFEE-UHFFFAOYSA-N This is unstable and hard to find in the pure isolated state. CopyCopied, CSID:1069, http://www.chemspider.com/Chemical-Structure.1069.html (accessed 05:47, Nov 26, 2020) Weights of atoms and isotopes are from NIST article. Safety glasses, gloves, adequate ventilation. This is a colorless molecule with a strong pungent smell and quite unpleasant too. The chemical structure of the molecule is also given below where on sulfur atom is connected with one oxygen atom by double bond and two hydroxyl groups by single bonds only. It is usually prepared by mixing SO2 and water together and the reaction can be reversed quickly to decompose the reactants again. The density of the molecule is 1.03 g/mL approx. This acid cannot be availed as a free agent and its health effects are not so severe like other similar acids.
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