Trending Questions. As you can see, the bisulfite anion can reform the sulfurous acid by accepting a proton. Question: Sulfurous Acid, H2SO3, Dissociates In Water In Two Steps: H2SO3 + H2O H3O+ + HSO3- ; Ka1 = [H3O+][HSO3-] / [H2SO3] HSO3- + H2O H3O+ + SO3^2- ; Ka2 = [H3O+][SO3^2-] / [HSO3-] A 150mL Sample Of H2SO3 Was Titrated With 0.10M NaOH. The conjugate base of the acid will be the compound that reforms the acid by accepting a proton. In many cases a complete equation will be suggested. Enter a mass or volume in one of the boxes below. In many cases a complete equation will be suggested. Compound states [like (s) (aq) or (g)] are not required. What is this device for? Help. 4 answers. Some Measured Values Of The PH During The Titration Are Given Below. This program was created with a lot of help from: The book "Parsing Techniques - A Practical Guide" (IMHO, one of the best computer science books ever written. H2SO3 will ionize to … The compound to which the acid donates a proton acts as a base. The answer will appear below, Always use the upper case for the first character in the element name and the lower case for the second character. Ask Question + 100. All gases are assumed to be at STP. H2O3S. 104927-19-7, … Substitute immutable groups in chemical compounds to avoid ambiguity. ); The Gold Parsing System (Hats off! H2SO3 acts as the Bronsted acid, and its conjugate base is SO3 (2-). New Window. Upon hitting submit, the stoichiometric equivalents will be calculated for the remaining reactants and products. 4 answers. Sulphur Dioxide SO2, is the anhydride of Sulphurous Acid, H2SO3 SO2 + H2O = H2SO3 What is the expression that represents the equilibrium constant expression for H2SO3? Water H2O OH-1.0 x 10-14 14.0 Group I metal hydroxides (LiOH, NaOH, etc.) but PhC2H5 + O2 = PhOH + CO2 + H2O will; Compound states [like (s) (aq) or (g)] are not required. The bisulfite anion. Group II metal hydroxides (Mg(OH)2, Ba(OH)2, etc.) Stoichiometry. Enter either the number of moles or weight for one of the compounds to compute the rest. Enter either the number of moles or weight for one of the compounds to compute the rest. By using this website, you signify your acceptance of, calcium hydroxide + carbon dioxide = calcium carbonate + water, Enter an equation of a chemical reaction and click 'Balance'. Human Metabolome Database (HMDB) 2.3.2 Deprecated CAS. H2SO3. H2O acts as the base with H3O+ as its conjugate acid. New Window. H2SO3 (aq] ⇌ H+ (aq] + HSO− 3 (aq] The compound left behind after sulfurous acid donates its first acidic hydrogen is called the bisulfite anion, HSO− 3. ? Source(s): AP Chem student. Na2SO3 + H2O --> H2SO3 + Na2O. Substitute immutable groups in chemical compounds to avoid ambiguity. * Compiled from Appendix 5 Chem 1A, B, C Lab Manual and Zumdahl 6th Ed. How many cups is 1437 ml of water ? Reaction stoichiometry could be computed for a balanced equation. 2.3.1 CAS. 7782-99-2. Help. Join. h2o + so2 --> h2so3 Post by 704320688 » Tue Dec 03, 2013 6:08 am Question 1: I know that the SO2 is the lewis acid and the H2O is the lewis base; however, is SO2 also a bronsted acid? Reaction stoichiometry could be computed for a balanced equation. 0 2. Get your answers by asking now. Join Yahoo Answers and get 100 points today. By using this website, you signify your acceptance of, Instructions and examples below may help to solve this problem, calcium hydroxide + carbon dioxide = calcium carbonate + water, Enter an equation of a chemical reaction and click 'Balance'. As you know, the conjugate base of an acid is determined by looking at the compound that's left behind after the acid donates one of its acidic hydrogen atoms. Limiting reagent can be computed for a balanced equation by entering the number of moles or weight for all reagents. 1st Equiv Pt. Wikipedia. The answer will appear below, Always use the upper case for the first character in the element name and the lower case for the second character. SO2 (g) + 1 H2O (ℓ) → H2SO3 (aq) Back to reactions list . If you do not know what products are enter reagents only and click 'Balance'. But in the reverse reaction 2H3O (+) + SO3 (2-) --> 2H2O + H2SO3 If you do not know what products are enter reagents only and click 'Balance'. Help. 2.3 Other Identifiers. New Window. In this case, sulfurous acid has two protons to … Compound states [like (s) (aq) or (g)] are not required. ? Info: H2So3 might be an improperly capitalized: H2SO3 Info: So3 might be an improperly capitalized: SO3 Instructions and examples below may help to solve this problem You can always ask for help in the forum Instructions on balancing chemical equations: Enter an equation of a chemical reaction and click 'Balance'. If you do not know what products are enter reagents only and click 'Balance'. Still have questions? Examples: Fe, Au, Co, Br, C, O, N, F.     Compare: Co - cobalt and CO - carbon monoxide, To enter an electron into a chemical equation use {-} or e. To enter an ion specify charge after the compound in curly brackets: {+3} or {3+} or {3}.