Thermodynamic properties of substances. How do you calculate concentration of ions in a solution? UK A' level students should search their syllabuses, past exam papers, mark schemes and any other support material available from their Exam Board. Assume excess base. When an acid reacts with a hydroxide, water and a salt are formed. So, the two reactants will dissociate The bromide ions reduce the sulphuric acid to sulphur dioxide gas. g, aq). You have to recognize AlBr3as ionic and H2as molecular. Express single charges as [. K2SO4, potassium sulfate, when 1 mole sulfuric acid is added to, KHSO4, potassium hydrogen sulfate (-bisulfate), when 1 mole sulfuric acid is added to. b. Thermodynamic properties of substances. The reactants is base and an acid, which leads to neutralization process and yields a salt . The reaction between weak nitrous acid and strong potassium hydroxide is shown below. WebYou have to know that HBr is a strong acid and, as such, will ionize 100% in solution. Chemistry: Determining which reaction is a redox reaction. Explain ionic and net ionic equations for the following reaction: perchloric acid (HClO4) and potassium hydroxide (KOH). If no reaction is likely, explain why no reaction would be expected for that combination of solutes. The balanced equation for this reaction is: 3KOH(aq) + H3PO4 (aq) K3PO4 (aq) + 3HO(1) If 9 moles of potassium hydroxide react, The reaction consumes 3 The reaction produces moles of phosphoric acid. How to tell which packages are held back due to phased updates, Identify those arcade games from a 1983 Brazilian music video, Replacing broken pins/legs on a DIP IC package. Balancing Strategies: In this reaction we have Calcium hydroxide and Sulfuric acid reacting in a neutralization reaction. is released when H2SO4 is neutralized by KOH. The other factor is the small amount of heat which is released when the fluorine atoms combine to make fluorine molecules. Write the net ionic equation for the reaction that occurs when aqueous solutions of barium hydroxide and hydrofluoric acid are combined. Write a balanced chemical equation for the reaction of dilute sulfuric acid with sodium hydroxide solution. Sulfuric acid is a strong acid because it completely dissociates to H+ and SO42- ions in water. Web3. What did the Nazis begin using gas chambers instead of mobile killing units and shooting squads after a while? Write the balanced net ionic equation for the reaction that occur when the following aqueous solutions are mixed. Write the balanced net ionic equation for the reaction that takes place when aqueous solutions of silver acetate and potassium chloride are mixed. ?> produ. For example, the molecular equation will represent NaCl as a molecule while the ionic equation will separate it into its respective ions of {eq}Na^+{/eq} and {eq}Cl^-{/eq}. We are assuming that you start from solid sodium halide. WebAdjust pH to 7.0-8.0 with sulfuric acid or potassium hydroxide. [ Check the balance ] Lithium sulfate react with sulfuric acid to produce lithium hydrosulfate. Write the molecular equation, complete ionic equation, and net ionic equation for the reaction that occurs when dilute potassium hydroxide is added to a solution of barium chloride. WebWhen potassium iodide salt is heated with concentrated sulfuric acid, violet vapours of iodine would evolve along with sulfur dioxide. When one mole of water is generated due to neutralization of strong acid and strong base, 57.1kJ is released. Potassium hydroxide (KOH) and sulfuric acid (H2SO4) react to make potassium sulfate and water. Overall equation: reactants ________ ? Webvalues if needed for this question. Webwater is formed from H + ions in the acid and OH-ions in the alkali; Question. This app helps me a lot when I'm not sure if my answers are correct. The fluoride and chloride ions aren't strong enough reducing agents to reduce the sulphuric acid. If no reaction occurs, complete the molecular and ionic equations, but write "no reaction" in place of the net ionic equation. WebWrite a net ionic equation for the reaction that occurs when aqueous solutions of potassium hydroxide and nitric acid are combined if needed, use H^+ for the hydronium ion. 2 RbOH + H 2 SO 4 Rb 2 SO 4 + 2 H 2 O This is a neutralization reaction, in which the hydrogen ion (H, The balanced ionic equation for the reaction between aqueous sulfuric acid and aqueous potassium hydroxide. Express single charges as [ \ ( + \), \ ( \operatorname {not} [1+] \) A chemical reaction does not occur for this question. Fluorine is a very powerful oxidising agent because it very readily forms its negative ion in solution. Get access to this video and our entire Q&A library, What Are Ionic Compounds? For the reaction of phosphorous acid ($\ce{H3PO3}$) and potassium hydroxide ($\ce{KOH}$), write (a) the balanced molecular equation and (b) the net ionic equation. Why does Mister Mxyzptlk need to have a weakness in the comics? Webpotassium ions (K+) and aluminate ions [Al(OH) 4-] ions (plus any unreacted KOH). You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Aqueous Potassium hydroxide solution is a strong Thermodynamic properties of substances. Write the molecular equation, the ionic equation, and the net ionic equation for the neutralization reaction between aqueous solutions of sodium hydroxide and hydrochloric acid. Webwater is formed from H + ions in the acid and OH-ions in the alkali; Question. moles of Who is Jason crabb mother and where is she? The reaction is as below. WebStep 1: Write the balanced reaction equation between sulfuric acid and potassium hydroxide to form potassium sulfate What is the complete ionic equation for the reaction 2KOH_ In this case, you are to assume that sulfuric acid acts as a strong acid in both steps of its ionization. WebPotassium hydroxide reacts with sulfuric acid. To write the ionic equation we must separate all aqueous species into their ions and leave any solid, liquid or gaseous substance in its molecular form. Ca (OH 2) + 2 HF CaF 2 + 2 H 2 O. Write a balanced chemical equations, ionic equation, and net ionic equation for this reaction: aqueous solution of sulfuric acid and potassium. WebProblem 5.35 Part A The balanced ionic equation for the reaction between aqueous sulfuric acid and aqueous potassiun hydroxide. Considering the halogens from chlorine to iodine, it is the lattice enthalpy which has fallen most. #"K"_2"SO"_text(4(aq]) -> 2"K"_text((aq])^(+) + "SO"_text(4(aq])^(2-)#. Reaction of aluminum hydroxide and nitric acid. By contrast, the heat needed to remove the electron has only fallen by 54 kJ mol-1. The balanced molecular equation now involves a 1:2 ratio between acid and base. Write the net ionic equation for the reaction that occurs between potassium iodate and sodium hydroxide. Hydrochloric acid solution HCl (aq) is mixed with a magnesium hydroxide solution Mg(OH)_2 (aq). Learn the definition of ionic compounds, their characteristics and various properties. But I reasoned that CH 3 COO-is a weak acid so all of the things in the The solubility of the substances. Sulfuric acid - concentrated solution. The reaction equation is H2SO4 + 2 KOH = K2SO4 + 2 H2O. 1 Answer anor277 Oct 20, 2017 H 3O+ + H O 2H 2O(l) Explanation: And the complete equation. H 2SO4(aq) +2KOH (aq) K2SO4(aq) +2H 2O(l) And H 2SO4 sulfuric acid, Both the acid, and its conjugate base, H SO 4, are strong acids, that will react quantitatively with strong bases. Write the net ionic equation for the reaction that occurs between barium chloride and potassium iodate. The reaction between weak nitrous acid and strong potassium hydroxide is shown below. WebWhen potassium iodide salt is heated with concentrated sulfuric acid, violet vapours of iodine would evolve along with sulfur dioxide. to decide limiting reagent in reactions, Sandmeyer reactions of benzenediazonium chloride, Calcium bromide and sodium carbonate reaction, Potassium's only oxidation state is +1. WebTotal Ionic Equation Mg 2+ + 2 OH 1-+ 2 H 1+ + 2NO 3 1-- > 2H 2 O + Mg 2+ + 2 NO 3 1-Net Ionic Equation 2 OH 1-+ 2 H 1+-> 2H 2 O Sulfuric acid and lithium hydroxide; Balanced total equation: H 2 SO 4 (aq) + 2 LiOH (aq) -> 2 H 2 O + Li 2 SO 4 (aq) Ionic Equation: moles of water are generated according to the above stoichiometric balanced equation, -114.2 kJ (57.1 kJ mol-1* 2 mol) kJ Write the net ionic equation for the process that occurs when aqueous solutions of calcium chloride and potassium hydroxide are mixed. Writing academically on a philosophy topic, Chemistry Olympiad Prep 2023 - study buddy. WebAdjust pH to 7.0-8.0 with sulfuric acid or potassium hydroxide. Heat is released due to neutralization of a KOH and H2SO4. Is the solution acidic or basic after all reactants are consumed? Initially, before the addition of all the acid, insoluble aluminum hydroxide is formed, 2 KAl(OH)4(aq) + H2SO4(aq) 2 Al(OH)3(s) + 2 H2O(liq) + K2SO4(aq) Al(OH)4-(aq) + H+(aq) Al(OH) 3(s) + H2O(liq) Web3. The iodide ions are powerful enough reducing agents to reduce it, first to sulphur dioxide (sulphur oxidation state = +4), then to sulphur itself (oxidation state = 0). So my initial line of thinking was: Molecular Equation: CH 3 COOH (aq)+ KOH (aq) CH 3 COOK (aq) + H 2 O (l) Ionic Equation: CH 3 COO-(aq) + H + (aq) + K + (aq) + OH-(aq) CH 3 COO-+ K + + H 2 O (l) Net Ionic Equation: H + (aq) + OH-(aq) H 2 O (l) This is incorrect. a. Identify all of the phases in your anwer. Periodic table of elements. Web3. The explanation this time has to start from the hydrated ions in solution rather than solid ions. That means that they aren't as close to each other, and so the attractions between positive and negative ions in the solid lattice get less. Write balanced ionic equations and net ionic equations for the following reactions: Express your answer as a chemical equation. WebThis is a decrease of oxidation state of the sulphur from +6 in the sulphuric acid to +4 in the sulphur dioxide. Write a net ionic equation for the reaction that occurs when aqueous solutions of perchloric acid and potassium hydroxide are combined. 2 KOH = K2SO4 + 2 H2O. There are three main steps for writing the net ionic equation for H2SO4 + Zn = ZnSO4 + H2 (Sulfuric acid + Zinc). $$\ce{H3PO3(aq) + 2KOH (aq) -> 2 H2O(l) + K2HPO3 (aq)} \tag{a}$$, $$\ce{H3PO3(aq) + 2 OH-(aq) -> 2 H2O(l) + HPO3^2-} \tag{b}$$. Step 1: Write the balanced reaction equation between sulfuric acid and potassium hydroxide to form potassium sulfate 279 Tutors 9 Years in business 59759 Customers Get Homework Help Show states for all reactants and products (s, . This time what you see is a trace of steamy fumes of hydrogen iodide, but mainly lots of iodine. Write a balanced, net ionic equation for the reaction that occurs (if any) when the following solutions are mixed. The reaction between weak nitrous acid and strong potassium hydroxide is shown below. Check your placement of subscripts and. Use H3O+ instead of H+. Ca (OH 2) + 2 HF CaF 2 + 2 H 2 O. Fluoride ions are difficult to oxidise and it gets easier as you go down the Group towards iodide ions. The table shows the energy changes which vary from halogen to halogen. Diprotic acid react always with 2 OH- ions. Write the full balanced equation, the full ionic equation, and the net ionic equation for the reaction of hydrochloric acid and barium hydroxide solution. a. The reaction is as below. Write the overall (molecular) equation and net ionic equation for the reaction of HI (hydroiodic acid) and potassium hydroxide. It therefore gets easier for the halide ions to lose electrons as you go down the Group because there is less attraction between the outer electrons and the nucleus. What about oxidising them in solution using some different oxidising agent? WebThe best equation for a reaction is one that shows only the participating ions; such an equation is called the net ionic equation. WebBalance each of the following equations, and then write the net ionic equation. Identify all of the phases in your anwer. What is the balanced molecular equation for this reaction? WebA) hydrobromic acid with potassium hydroxide B) Nitric acid with barium hydroxide. WebWhat is the net ionic equation for the reaction between sulfuric acid and potassium hydroxide? I got H2SO4 + KOH ---> H2OH + KSO4 B) Write the ionic equation for the reaction. What if the acid is a diprotic acid such as sulfuric acid? WebWrite a balanced equation describing each of the following chemical reactions. This reaction is not a redox reaction because The net ionic equation is given below. Identify all of the phases in your answer. In this case, you are to assume that sulfuric acid acts as a strong acid in both steps of its ionization. The balanced ionic equation for the reaction between aqueous sulfuric acid and aqueous potassium hydroxide. Li 2 SO 4 + H 2 SO 4 2LiHSO 4. The bigger the halide ion, the further the outer electrons are from the nucleus, and the more they are screened from it by inner electrons. The sodium sulfate salt is soluble, and so the net ionic reaction is again the same. A better description of phosphorous acid is HPO(OH)2 with one oxygen doubly bonded to phosphorus wikipedia. Write a net ionic equation for the reaction that occurs when an aqueous solution of hypochlorous acid and potassium hydroxide are combined. Write the chemical equation, the ionic equation and the net ionic equation for the reaction between barium hydroxide and hydrochloric acid. Write the net ionic equation for the reaction between sulfuric acid and potassium hydroxide. 1 Answer anor277 Oct 20, 2017 H 3O+ + H O 2H 2O(l) Explanation: And the complete equation. H 2SO4(aq) +2KOH (aq) K2SO4(aq) +2H 2O(l) And H 2SO4 sulfuric acid, Both the acid, and its conjugate base, H SO 4, are strong acids, that will react quantitatively with strong bases. a diprotic acid. The iodide ions are oxidised to iodine. WebWhen base calcium hydroxide on reacts with an acid hydrofluoric acid, it forms salt known as calcium fluoride. "After the incident", I started to be more careful not to trip over things. [ Check the balance ] Lithium sulfate react with sulfuric acid to produce lithium hydrosulfate. By turning on the stopcock, release some of the solution in a clean 100 ml flask to remove any air bubbles in the burette. When sodium hydroxide react with sulphuric acid they form Sodium sulphate and water. The amount of heat given out by the half-reaction involving the sulphuric acid must be great enough to make the reactions with the bromide or iodide feasible, but not enough to compensate for the more positive values produced by the fluoride and chloride half-reactions. You can combine these two half-equations to give the overall ionic equation for the reaction: H2SO4 + 2H+ + 2Br- Br2 + SO2 + 2H2O. Answer link In order for the reaction to be a full neutralization, twice as many moles of NaOH must react with the H 2 SO 4. Write a net ionic equation for the reaction that occurs when aqueous solutions of nitrous acid and potassium hydroxide are combined. Find another reaction. Write a net ionic equation for the reaction that occurs when. Drugs just treat the symptoms not the disease. Identify all of the phases in your answer. How can we prove that the supernatural or paranormal doesn't exist? Is it possible to rotate a window 90 degrees if it has the same length and width? I don't know what the real value for the sulphuric acid half-reaction to produce sulphur dioxide is, but it must be something like -980 kJ mol-1. Looked at another way, fluoride ions aren't good reducing agents, but iodide ions are. The reaction is as below. If no reaction is likely, explain why no reaction would be expected for that combination of solutes. WebStep 1: Write the balanced reaction equation between sulfuric acid and potassium hydroxide to form potassium sulfate What is the complete ionic equation for the reaction 2KOH_ In this case, you are to assume that sulfuric acid acts as a strong acid in both steps of its ionization. Write the net ionic equation for the reaction that takes place between a solution of magnesium chloride and a solution of sodium hydroxide. WebSulfuric acid (H2SO4) reacts with Potassium hydroxide (KOH) gives potassium sulfate (K2SO4) and water (H2O) as results. Write the net ionic equation for the reaction that occurs between solutions of sodium hydroxide and magnesium chloride. When sodium hydroxide react with sulphuric acid they form Sodium sulphate and water. WebPotassium hydroxide reacts with sulfuric acid. 2 That means that the halide ion itself has to lose electrons. (a) the reaction of sodium hydroxide and iron(II) chloride to give iron(II) hydroxide and sodium chloride (b) the reaction of barium chloride with sodium carbonate to give barium carbonate and sodium chloride (c) the reaction of I got H2SO4 + KOH ---> H2OH + KSO4 B) Write the ionic equation for the reaction. We reviewed their content and use your feedback to keep the quality high. The reaction equation is H2SO4 2 KOH K2SO4 2 H2O. For the reaction of phosphorous acid ($\ce{H3PO3}$) and potassium Write the molecular equation, the ionic equation, and the net ionic equation for the reaction between sodium sulfide and hydrochloric acid. I didn't use it for cheating, but I just used it to check my answers if they're correct or not, really helpful and I would recommend to anyone in high school or even middle school math, amazing experience with this app. The reaction equation is H2SO4 + 2 KOH = K2SO4 + 2 H2O. When a hydrochloric acid solution is combined with a potassium hydroxide solution, an acid-base reaction occurs. In both KOH and K, Reactants: KOH is a strong base and show pH value higher than 7 and H, KOH: Harmful if swallowed, severe skin burns (skin corrosion and irritation) and eye damage. Underline all solids. With bromine and iodine, heat will also be released when they condense to a liquid or solid. Identify all of the phases in your answer. The chemical reaction of sulfuric acid and potassium hydroxide is referred to as an acid-base neutralization. Write the net ionic equation for the reaction that occurs between potassium iodate and sodium chloride. Math can be difficult, but with a little practice, it can be easy! [Pg.104] A cold mixture of sulfuric acid (98%, 4 g), and water (4 mL) was added to an amino-alcohol 25 (40 mmol) in water (2.4 mL) at 0-5C. Heat will be given out when the changes involving the sulphuric acid occur. Heat is released due to neutralization of a strong acid (H2SO4) This is due to the small size of the fluoride ion, which means that the positive and negative ions are very close together and so strongly attracted to each other. Hydrochloric acid (HCl) and potassium hydroxide (KOH). Sulfuric acid is now added and two sequential reactions occur. How to calculate the pH of an acetic acid/ calcium acetate buffer? Write the balanced molecular equation, complete ionic equation, and net ionic equation for the reaction that occurs when aqueous barium hydroxide and hydrochloric acid are mixed. If I were you, I wouldn't bother to follow this up unless there is some overwhelming reason to! Write the complete ionic equations and net ionic equations for the following reactions. Write the overall, ionic, and net ionic equations for the following reaction. Express your answer as a chemical equation. Note that phosphorous acid is a diprotic acid. When an acid reacts with a hydroxide, water and a salt are formed. Write a net ionic equation for the overall reaction that occurs when aqueous solutions of carbonic acid and potassium hydroxide are combined. Heat generation: Due to generation of large heat in a short time period, be careful to not touch beaker or other where reaction is being happened. What is the answer punchline algebra 15.1 why dose a chicken coop have only two doors? Write the balanced molecular equation, complete ionic equation, and net ionic equation for the reaction that occurs between aqueous solutions of sodium hydroxide and potassium iodate. Webwater is formed from H + ions in the acid and OH-ions in the alkali; Question. How do you calculate the number of ions in a solution? Aqueous solutions of potassium hydroxide and sulfuric acid are combined. Asking for help, clarification, or responding to other answers. \ce{H3PO3 + 2 KOH -> 2 H2O + K2HPO3}. - the incident has nothing to do with me; can I use this this way? KOH(aq] K+ (aq] +OH (aq] H2SO4 (aq] 2H+ (aq] + SO2 4 (aq] On the reactants' side, potassium sulfate, K2SO4, is a soluble ionic compound, which means that it exists as ions in aqueous solution. This is a decrease of oxidation state of the sulphur from +6 in the sulphuric acid to +4 in the sulphur dioxide. The reaction equation is H2SO4 + Does a summoned creature play immediately after being summoned by a ready action? What is the net ionic equation for this reaction? The half-equation for its formation is: Combining these last two half-equations gives: H2SO4 + 8H+ + 8I- 4I2 + H2S + 4H2O. The mixture is then stirred and the highest temperature reached is 415C. $$\ce{H3PO3(aq) + 2KOH (aq) -> 2 H2O(l) + K2HPO3 (aq)} \tag{a}$$ $$\ce{H3PO3(aq) + 2 OH-(aq) -> 2 H2O(l) + HPO3^2-} Write the molecular, complete ionic, and net ionic equations for the reaction that occurs between Write the molecular, complete ionic, and net ionic equations for the reaction that occurs between sodium carbonate and hydrochloric acid. Write the balanced NET IONIC equation for the reaction that occurs when perchloric acid and potassium hydroxide are combined. Write the net ionic equation for the reaction that occurs between sodium hydroxide and barium chloride. That's misleading! WebThe balanced molecular equation now involves a 1:2 ratio between acid and base. rev2023.3.3.43278. (Scroll back and look at the table again.). In order for the reaction to be a full neutralization, twice as many moles of NaOH must react with the H 2 SO 4. Web[texts-excerpt] penalty for cutting mangroves in floridaFREE EstimateFREE Estimate g, aq). Write molecular and net ionic equations for the following reaction. The molecular equation, Expert instructors will give you an answer in real-time, Find linear equation given slope and point, How to find annual percentage growth rate, How to find differential dy of a function, Online trigonometry calculator with sin cos tan, Special right triangles calculator radical answers. 2. Water, on the other hand, is a covalent compound that exists in molecular form. Drugs just treat the symptoms not the disease. Need Jan 2022 Past papers - Oxford AQA international A level CH03/CH04/Ch05, Chemistry alevel aqa amount of substance question. WebAdjust pH to 7.0-8.0 with sulfuric acid or potassium hydroxide. So, the two reactants will dissociate The bromide ions are strong enough reducing agents to reduce the concentrated sulphuric acid. What if the halide ions were in solution rather than in a solid? So my initial line of thinking was: Molecular Equation: CH 3 COOH (aq)+ KOH (aq) CH 3 COOK (aq) + H 2 O (l) Ionic Equation: CH 3 COO-(aq) + H + (aq) + K + (aq) + OH-(aq) CH 3 COO-+ K + + H 2 O (l) Net Ionic Equation: H + (aq) + OH-(aq) H 2 O (l) This is incorrect. Both of these terms matter, but the fall in lattice enthalpy is the more important. 2 RbOH + H 2 SO 4 Rb 2 SO 4 + 2 H 2 O What is the point of Thrower's Bandolier? Potassium sulfate is a salt and soluble in water to form a colourless aqueous solution. Is a PhD visitor considered as a visiting scholar? Web[texts-excerpt] penalty for cutting mangroves in floridaFREE EstimateFREE Estimate The chemical reaction of sulfuric acid and potassium hydroxide is referred to as an acid-base neutralization. But I reasoned that CH 3 COO-is a weak acid so all of the things in the Write the complete molecular reaction, the complete (full) ionic equation, and lastly, the net ionic equation for the following: BaCl_2+NaOH to. Co(NO_3)_2 (aq) + Na_2SO_4 (aq), Find the molecular, ionic, and net ionic equation for the following. Balancing Strategies: In this reaction we have Calcium hydroxide and Sulfuric acid reacting in a neutralization reaction. Note that phosphorous acid is a diprotic acid. This falls because the ions are getting bigger. Using indicator constraint with two variables, Is there a solution to add special characters from software and how to do it. By contrast, for the energetic reasons you will find discussed, iodine is relatively reluctant to form its negative ion in solution. Answer link The simplified explanation that we mentioned earlier concentrates on the less important fall in the amount of energy needed to remove the electron from the ion. This is not a good assumption; one of the hydrogens is bonded directly to phosphorus and is not removed by OH-. The best answers are voted up and rise to the top, Not the answer you're looking for? The concentrated sulphuric acid gives a hydrogen ion to the halide ion to produce a hydrogen halide. The reaction is exothermic and so purple iodine vapour is formed, and probably dark grey solid iodine condensing around the top of the tube. WebAqueous solutions of potassium hydroxide and sulfuric acid are combined. Which species dissociate completely in ionic equations? See common ionic compound examples & formulas. Iodide ions are stronger reducing agents than bromide ions are. Potassium hydroxide (KOH) and sulfuric acid (H2SO4) react to make potassium sulfate and water. Solid gold Au (s) is added to a hydrochloric acid solution HCl (aq). For the reaction of phosphorous acid (H3PO3) and potassium hydroxide (KOH), write the balanced molecular equation, the complete ionic equation, and the net ionic equation. {eq}K^+ + OH^- + H^+ + Cl^- \rightarrow K^+ + Cl^- + H_2O{/eq}. That means that the total change (including the sulphuric acid) will become easier as you go down the Group. Write the ionic equation for the acid-carbonate reaction between hydrochloric acid and sodium carbonate to form sodium chloride salt, water, and carbon dioxide. That means that it will be relatively easy to persuade it to revert to iodine molecules again. 806 8067 22 Registered Office: Imperial House, 2nd Floor, 40-42 Queens Road, Brighton, East Sussex, BN1 3XB, Taking a break or withdrawing from your course, [Official Thread] Russian invasion of Ukraine, Official University of Edinburgh 2023 Applicant Thread, Official University of Glasgow 2023 Applicant Thread. Potassium hydroxide (KOH) and sulfuric acid (H2SO4) react to make potassium sulfate and water. Experts are tested by Chegg as specialists in their subject area. Express your answer as a chemical equation. Write a net ionic equation for the overall reaction that occurs when aqueous solutions of sulfurous acid (H_2SO_3) and potassium hydroxide are combined.