Both dissociations would be very fast, but not instantaneous. H+ (aq) + NO2 (aq) Ka = 3.98 *. Phosphoric acid, H3PO4, is a triprotic acid. #color(grey)(I)" " 8.13*10^(-2) " "0" "8.13*10^(-2)# #color(grey)(E)" "0.20-x " "x" "x#, #K_(a1)=(["C"_2 "H" "O"_4^(-)(aq)] ["H"^+(aq)])/(["C"_2 "H"_2 "O"_4 (aq)])=5.6*10^(-2)#. Now construct a second #"RICE"# table, for the dissociation of the second oxalic proton from the amphiprotic #"C"_2 "H" "O"_4^(-)(aq)# ion. That is, when \dfrac{\begin{bmatrix}H_3O^+\end{bmatrix{\begin{bmatrix}c_0\end{bmatrix = \dfrac{1}{2}. K 4 Fe (CN) 6 + H 2 SO 4 + H 2 O = K 2 SO 4 + FeSO 4 + (NH 4) 2 SO 4 + CO. C 6 H 5 COOH + O 2 = CO 2 + H 2 O. 5H2C2O4(aq) + 2MnO4-(aq)+ 6H+(aq) 10CO2+ 2Mn2+(aq) + 8H2O(l). Oxalic acid, H2C2O4, has acid dissociation constants Ka1 = 5.9 x 10-2 and Ka2 = 6.4 x 10-5. Oxalic acid received its name from the fact that oxalate is formed during the fermentation. Soluble in water, partially in diethyl and ethyl alcohol, insoluble in benzene, chloroform, petroleum ether. None of these species was present in the initial solution. The best answers are voted up and rise to the top, Not the answer you're looking for? YouTube sets this cookie via embedded youtube-videos and registers anonymous statistical data. Examples of complete chemical equations to balance: Fe + Cl 2 = FeCl 3; KMnO 4 + HCl = KCl + MnCl 2 + H 2 O + Cl 2; K 4 Fe(CN) 6 + H 2 SO 4 + H 2 O = K 2 SO 4 + FeSO 4 + (NH 4 . Write the expression of the equilibrium constant, Ka, for the dissociation of HX. Dissociation of H3PO4 takes place in following steps - Toppr Ask #color(grey)R" " "C"_2 "H"_2 "O"_4 (aq)\rightleftharpoons "C"_2 "H" "O"_4^(-)(aq) + "H"^+(aq)# \[H_{3}PO_{4}+H_{2}O \rightleftharpoons H_{3}O^++H_{2}PO_{4}^-\] with \[{K_{a1}}=\dfrac{[H_{3}O^+][H_{2}PO_{4}^-]}{[H_{3}PO_{4}]}=6.9 \times 10^{-3}\] Therefore, according to Arrhenius theory, it is an acid. FeO + HClO4 = Cl2FeO8 + H2O AgCl + NaNO3 + H2SO4 = AgCl + NaNO3 (H2SO4) CO (NO3)2 + K2CO3 = COCO3 + KNO3 Na2CO3 + Na2S = Na2S + Na2CO3 Recently Balanced Equations How To Balance Equations Read our article on how to balance chemical equations or ask for help in our chat. It does not store any personal data. g/cm3, The density of the orthorhombic bipyramidal crystal modification (at 25 C and atmospheric pressure of 1 ATM.) Chlorous acid. c. What are the acid-base pairs for hydrogen cyanide? Write the acid association (ionization) equation in water of the weak acid H_3PO_4, and the expression of K_a. H2S, has two acid ionization constants. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. a) HCl b) HNO3 c) H2SO4 d) H3PO4 e) both c and d. What salt (sodium salt of the conjugate base) and acid (acetic acid or phosphoric acid) would be used to prepare a 0.1 M buffer for a pH of 4.5? Balance all atoms other than H and O. H 2C 2O 4+2KMnO 42CO 2+K 2O+Mn 2O 3. Label Each Compound With a Variable Label each compound (reactant or product) in the equation with a variable to represent the unknown coefficients. How does H2SO4 dissociate? - Chemistry Stack Exchange Write the acid-dissociation reaction of nitrous acid (HNO2) and its acidity constant expression. c) Identify the acid-base pa, For a weak acid with a dissociation constant K_a, find the initial acid concentration c_0, in terms of K_a, for which the acid is 50% dissociated. (b) HNO_2 vs. HCN. The chemical reaction for dissociation of an acid is: HA + H_2O to H^3O^+ + A^-. All rights reserved. Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. Oxalic acid, preparation, properties, chemical reactions - Sciencealpha 1 The acid dissociation constant, K a, for ethanoic acid is given by the expression : K. a = [CH. Oxalic acid appearance is a colorless crystals. What is the dissociation equation of Oxalic Acid, H2C2O4? $$\ce{H2SO4 -> 2H^+ +SO4^{2-}}$$. Determine the number of moles of the diprotic acid, H 2 X. Write the chemical equation for H_2PO_4^- acid dissociation, identify its conjugate base and write the base dissociation chemical equation. Calculate the pH of this buffer solution at 298 K. . 6. The maximum permissible concentration of oxalic acid in water of water objects of drinking and cultural-domestic absopositively 0,5 mg/dm3., limiting indicator of harm obschesanitarnyh. What is the Bronsted Acid in the following equation: * NO2- +H2O HNO2 + OH- **a. NO2- **b. H2O **c. HNO2 **d. OH- 2. This cookie is set by the provider Eventbrite. The cookies is used to store the user consent for the cookies in the category "Necessary". Balance the following redox equation by half reaction method : H2C2O4(aq) + MnO4^(aq) CO2(g) + Mn^(2)(aq)(acidic), Balance half equation for O atoms by adding 4H. Write balanced chemical equations for the sequence of reactions that oxalic acid can undergo when it's dissolved in water. . Cookie used to enable A/B testing within the website. Become a Study.com member to unlock this answer! The demdex cookie, set under the domain demdex.net, is used by Adobe Audience Manager to help identify a unique visitor across domains. (b) neutral. Heat of neutralization of H 2 . Oxalic acid has toxic effect dangerous to life and health (risk depends on the concentration), has corrosive properties. Use Equation 3 or Equation 5 to obtain the ratio of moles of H 2 X to moles of NaOH, depending on which equivalence point you selected in Step 1. The dpm cookie, set under the Demdex domain, assigns a unique ID to each visiting user, hence allowing third-party advertisers to target these users with relevant ads. Write an equation to represent the dissociation of propionic acid (CH_3CH_2COOH) in water. If the acid is weak, indicate the value that (H3O+) is less than. The formula for calcium oxalate is CaC 2 O 4 . #K_(a2)=(["C"_2"O"_4^(2-)(aq)] ["H"^+(aq)])/(["C"_2 "H" "O"_4 ^(-)(aq)])=1.5*10^(-4)~~((cancel(8.13 *10^(-2)))*y)/(cancel(8.13 *10^(-2)))#, Hence #["C"_2"O"_4^(2-)(aq)]=y~~K_(a2)=1.5\cdot 10^(-4)]\cdot mol\cdot dm^(-3)#, References: Add -SO3H group to one of millions organic groups and you have strong acid, voila! Total change for 2 Mn aoms is 8. The reaction formed potassium carbonate, chlorine dioxide, carbon dioxide and water. of unknowns Is no. For instance, nitric acid, HNO. How to follow the signal when reading the schematic? PDF E6 Chemical Equilibrium: Le Chatelier's Principle Examples of Chemical Which of the following is a polyprotic acid? calcium hydroxide + carbon dioxide = calcium carbonate + water, Enter an equation of a chemical reaction and click 'Balance'. Graphene battery and its advantages. You also have the option to opt-out of these cookies. Limiting reagent can be computed for a balanced equation by entering the number of moles or weight for all reagents. Yandex sets this cookie to collect information about the user behaviour on the website. Oxalic acid is a combustible substance. I'm taking A level economics and business studies. The steps and expressions fot the ionization constants for oxalic acid are given by these equations: Ka = [HO (aq)] [HCO (aq)] / [HCO(aq)], Ka = [HO (aq)] [CO (aq)] / [HCO (aq)]. A blank line = 1 or you can put in the 1 that is fine. A-level Study and Revision Groups 2022-2023, The Current Year 12 Chat Thread (2022-2023). Dissociation Equations Worksheet Write balanced chemical equations to represent the slight dissociation or the complete dissociation for 1 mole of the following compounds. 4. the reaction of oxalic acid c with iodine: Oxalic acid reacts with iodine. Oxalic acid reacts with potassium chlorate. Chemistry. At 400 torr, it has a boiling point of 82.0C. The following polynomial relates directly to the material balance and the fraction of species. This problem has been solved! What is the dissociation equation of Oxalic Acid, {eq}H_2C_2O_4{/eq}? b. Yandex stores this cookie in the user's browser in order to recognize the visitor. The cookie is used for ad serving purposes and track user online behaviour. The limiting reagent row will be highlighted in pink. How much heat will be released when 8.21 g of sulfur reacts with excess O, according to the following equation? Which of the following is the equation representing the equilibrium that is established when chloric acid (HClO_3) is dissolved in water? Why is this the case? Arsenic acid has a Ka of 5.5 x 10-3. How to show that an expression of a finite type must be one of the finitely many possible values? Solved Oxalic acid (H2C2O4) is a polyprotic acid. Write - Chegg H2O H+ + OH-. Since the H+ (often called a "proton"). Using the mass of diprotic acid you measured in Step 1 of the procedure, calculate the molecular weight of the diprotic acid, in g/mol. This cookie, set by YouTube, registers a unique ID to store data on what videos from YouTube the user has seen. Write mass balance expressions (can be made) 5. The form of the temperature-solubility curve shows that oxalic a. PDF Practice Quiz Equilibrium - CHEMISTRYGODS.NET What is the delta G naught of C_2H_2O_4 leftrightarrow C_2HO_4^- + H^+? Dissociation. Compound states [like (s) (aq) or (g)] are not required. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. look at Balance half equation for O atoms by adding 4H2O to the rightside of reduction half equation. Your book is wrong. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students. H2C2O4 + NaOH = Na2C2O4 + H2O - Chemical Equation Balancer @Mithoron My teacher defined strong acids as those with a large Ka (as in too big to be measured). A place where magic is studied and practiced? Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. What is K b 2 for H X O 3 ? Which acid dissociation should NOT be written as an equilibrium when placed in water? Calculate the pH of a 0.100 M oxalic acid solution. This website uses cookies to improve your experience while you navigate through the website. Do new devs get fired if they can't solve a certain bug? Solve for the equilibrium constant when the dissociation of oxalic acid is reversed. There's also a lot of inorganic acids, just less known, and their number is also probably limitless. H2C2O4 et NaOH ----- Bonjour Petite question, H 2 C 2 O 4 (acide oxalique) ragit avec NaOH. in metallurgy for cleaning metals from rust, oxides, scale, rust. Ionisation is a chemical reaction when a molecular molecule dissociates into ions. Monoprotic acids ionize one hydogen ion in one step. Write the chemical equations for the stepwise ionization of oxalic acid, (COOH)2, a diprotic acid. What is the acid dissociation for H2CO3(aq) + H2O(l)? Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. HBr + H2O (Hydrobromic acid plus Water) - YouTube Based on these values, deduce the formula to compute the base dissociation constants of oxalate ion in terms of Kw and Ka1 or Ka2. This cookie is used for identifying the user. What is the dissociation equation in an aqueous solution? Let the change in #"C"_2 "O"_4^(2-)(aq)# be #+y*mol*dm^(-3)#. What properties of oxalic acid allow it to do this? What is the acid dissociation constant of a weak acid if a concentration of 0.3 M gives a hydrogen ion concentration of 0.001 M? Question Any references? Phosphoric acid is a weak acid which only partially ionizes during dissociation.H 3PO 4 can donate three protons during dissociation reaction H 3PO 4 has three steps of dissociation. Oxalic acid content is high in the leaves of rhubarb. in beekeeping for the treatment of bees. Write net ionic equation for the optoff iron(II)oxalate dihydate when oxalic acid is added to a solution of iron(II) ions. Enfait c'est un raccourci, on "saute" l'tape de dissociation des ions dans l'eau. The test_cookie is set by doubleclick.net and is used to determine if the user's browser supports cookies. PF5 BrF3 CF4 Cal2 Choose the substance with the lowest vapor pressure at a given temperature. How. What is the final pressure (in atm) in the cylinder after a 355 L balloon is filled to a pressure of 1.20 atm. How many ionization constants are associated with oxalic acid (H2C2O4)? Currently failing My Retake Year and I need to turn it around, AQA Politics Paper 1 25 May 2022 Exam chat, OCR Classical Civilisation A2 World of the Hero Paper 2022, Edexcel A Level History Paper 1 (options 1A1H) 9HI0 - 26 May 2022 [Exam Chat]. In acid-base chemistry, describe the dissociation of an acid as well as equilibrium of a reversible reaction. Screen capture done with Camtasia Studio 4.0. Oxalic acid, formula, specifications, characteristics, Safety when handling oxalic acid. Get access to this video and our entire Q&A library, Dissociation Constant and Autoionization of Water. Identify the diprotic acid. I would agree that $\ce{H2^+}$ is not present. In nature, oxalic acid contains in sorrel, rhubarb, and sorrel, the cannon and some other plants, and in raw vegetables in free form and in the form of oxalates of potassium and calcium. What is the dissociation equation of Oxalic Acid, H2C2O4 H 2 C 2 O 4? These reactions are used to produce yodovidona and hydrogen chloride. Is H2C2O4 an acid, a base, or a salt? in the household as a means for removal of rust, detergents, bleaches and disinfectants. Richard M. Kettler,1 Donald A. Palmer,2 and David . Also this Also this Arrhenius/Bronsted division is kinda silly IMO. What is the reaction of acetic acid in water? - Quora The Requirements Of GOST. Acids produce hydrogen ions due to dissociation. a. What is the dissociation equation of a hydrogen cyanide solution? b Answered: Oxalic acid (H2C2O4) is a diprotic acid | bartleby YouTube sets this cookie to store the video preferences of the user using embedded YouTube video. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. Analytical cookies are used to understand how visitors interact with the website. This cookie is set by GDPR Cookie Consent plugin. H2C2O4(aq) + OH-(aq) -> HC2O4(aq) + H2O(l) with no charge on the HC204 . kg/m3. K a is commonly expressed in units of mol/L. Answered: 1. The acid dissociation constants for | bartleby We are not permitting internet traffic to Byjus website from countries within European Union at this time. The chemical equations are: (the reactions occurs in two steps due to presence to hydrogen atoms). An apparatus for the determination of solubilities is described. #["C"_2 "O"_4 ^(2-)]=1.5*10^(-4)*mol*dm^(-3)#. It is also known as Ethanedioic acid or Oxiric acid. You might want to ask this question again, say, after a year. (i) Calculate the value of pKa for HX at this temperature. Sulfonic acids are just an example. Chem 210 Final: Mastering Chem Flashcards | Quizlet For the datasheet found at Chemistry Libretext, #K_(a1)=5.6*10^(-2)# and #K_(a2)=1.5*10^(-4)# [1]. Analysis of the preparation should be conducted in a fume hood laboratory. The equation for its dissociation in the solution is given as follows. A cookie set by YouTube to measure bandwidth that determines whether the user gets the new or old player interface. ca + cl2 --> cacl2 Triprotic acids ionizes into three hydrogen ions, each into one step, for a total of three steps. What is the Ka expression for nitrous acid? WebQC is a web application with a mission to provide best-in-class chemistry tools and information to chemists and students. , Calculate the grams of O2 required for the combustion of 25.9 g of ethylcyclopentane, A 32.0 L cylinder containing helium gas at a pressure of 38.5 atm is used to fill a weather balloon in order to lift equipment into the stratosphere. $$\ce{HSO4- <=> H+ + {SO_4}^2-}~~~~~~~~~~\ce{K_{a(2)}}=1.2\times10^{-2}$$, $$\ce{HSO4- + H2O <=> H3O+ +{SO_4}^2-}~~~~~~~~~~\ce{K_{a(2)}}= 1.2\times10^{-2}$$. KMnO 4 + HCl = KCl + MnCl 2 + H 2 O + Cl 2. It helps in tracking the visitor and serving them with relevant ads. H2C2O4 (aq) + MnO4-(aq) CO2 (g) + Mn2+(aq) Step 1 : Write unbalanced equation for the redox reaction. It is characterized by the following chemical reactions: 1. the decomposition reaction of oxalic acid when heated: C2H2O4 CO + CO2 + H2O (to, kat = H2SO4 (conc.)). Oxalic acid is an organic acid with the systematic name ethanedioic acid and formula HO2CCO2H. What is the net ionic equation for the acid base reaction between chlorous acid and sodium hydroxide? kg/m3, The density of monoclinic prismatic crystal modification (at 25 C and atmospheric pressure of 1 ATM.) There is no list as their number is limitless. This cookie can only be read from the domain they are set on and will not track any data while browsing through other sites. The equation is balanced is terms of number of atoms and the charges. Oxalic acid - Wikipedia Monoprotic acids ionize one hydogen ion in one step. Hydrogen the diatomic gas is simply not here. Conjugate acid-base pairs (video) | Khan Academy What sort of strategies would a medieval military use against a fantasy giant? The site owner may have set restrictions that prevent you from accessing the site. (c) basic. How do I determine the molecular shape of a molecule? For oxalic acid, HO_2C - CO_2H, the first ionization constant is pK_a1 = 1.2 and the second ionizatio. What is the equation that corresponds to the Ka value of Ka . Solved In solution, potassium oxalate completely dissociates - Chegg The compound parts into its segment particles. How do I connect these two faces together? A dilute solution of potassium hydrogen oxalate would be (a) acidic, because hydrolysis of the anion would predominate over further dissociation. Solved Oxalic acid, H2C2O4 , has acid dissociation constants - Chegg H2C2O4<==>HC2O4 (+)+H (-) (bracket contents are superscript) It is a weak acid because it does not fully dissociate, note that only one of the hydrogens dissociates from the molecule. Yandex sets this cookie to identify site users. Each dissociation step has its own acid-dissociation constant, Ka1, Ka2, etc. What is pK_a for this acid? The pKa_1 of oxalic acid (C_2H_2O_4) is 1.27. Write the equation for the principle acid/base equilibrium in 1 M HAc. a. oxalic acid b. citric acid c. acetic acid d. hydrochloric acid. In the future, you should try to find a better way of critiquing than a downvote and a reprimand. Dissociation equation of CaCl2? - Answers This site is using cookies under cookie policy . Solved: Write the equilibrium-constant expressions and obtain - Chegg a. Calculate the [C 2 O 4 Yandex sets this cookie to store the session ID. Sulfuric acid (H2SO4) is a strong acid, which dissociates when dissolved in water according to the following equation: H2SO4 (aq) 2H+ (aq) + SO42-(aq) A 0.21 g sample of sulfuric acid is dissolved completely in sufficient water to make 0.25 litre of final solution. It is the simplest dicarboxylic acid. We also use third-party cookies that help us analyze and understand how you use this website. . Write the expressions for the acid dissociation constants for the three successive dissociations of phosphoric acid, H3PO4, in water. This cookie is native to PHP applications. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Chemistry. For both acids, provide the equilibrium reactions showing all of the dissociation steps and the expressions for each acid dissociation constants. I have not taken organic chemistry yet, so I was not aware of this. Use MathJax to format equations. Oxalic acid (COOH)2 - Formula, Properties, Structure & Uses - BYJUS Write the acid dissociation equation including the conjugate base. Diprotic and Triprotic Acids and Bases - Purdue University What is the dissociation equation of an nitrous acid solution? (#K_w# is neglectable) Thus the initial concentration of both #"C"_2 "H" "O"_4 ^(-)# and #"H"^+# shall be the same as that at the equilibrium position of the first ionization reaction. 1. sulfuric acid 2. perchloric acid 3. phosphoric acid, The aqueous solution of which among the following acids is called Vinegar? 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}. Does Counterspell prevent from any further spells being cast on a given turn? 6. reaction of the dissociation of oxalic acid in aqueous solution: In an aqueous solution of oxalic acid dissociates into ions. Question . H2C2O4 2 H+ + C2O42- K = 3.78 x 10-6 (a) What volume of .400-molar NaOH is required to neutralize completely a 5.00 x 10-3 mole sample of pure oxalic acid? #color(grey)(C)" " " "-x " " +x" "+x# Simplifying the expression shall give a quadratic equation about #x#, solving for #x# gives #["C"_2 "H" "O"_4^(-)]=x=8.13*10^(-2)*mol*dm^(-3)# Assign oxidation number to all the atoms in reactants and products. Write the equations that represent the first and second ionization Based on the definitions, classify the following acids: acetic acid, carbonic acid and phosphoric acid. Consider only its first ionization. What is ?G for the acid dissociation of nitrous acid (HNO2) shown below, if the dissociation takes place in water at 25 C under the following conditions? The overall dissociation constant is also indicated. When heated with concentrated sulphuric acid decomposes into carbon monoxide (carbon monoxide), carbon dioxide and water. 15.8: Dissociation - Chemistry LibreTexts The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". What could you conclude about the dissociation of the acid? Determine (H3O+) in a 1.25 M H3PO4 solution. This site is using cookies under cookie policy . It helps to keep track of the visitor profile for future sessions and for customizing their experience. This tracked information is used for optimizing the website. Examples: Fe, Au, Co, Br, C, O, N, F. Compare: Co - cobalt and CO - carbon monoxide a. H_{2}PO_{4}^{-}(aq) + H_{2}O(l) \rightleftharpoons H_{3}O^{+}(aq) + HPO_{4}^{2-}(aq) b, When the following equation is balanced properly under acidic conditions, what are the coefficients of the species shown? The cookie is used to store the user consent for the cookies in the category "Analytics". An ionic crystal lattice breaks apart when it is dissolved in water. What test could you use to differentiate between oxalic acid and tartaric acid? Balance Chemical Equation - Online Balancer Apologies for this extremely basic question, I'm just beginning with Chemistry so please don't be too harsh on me. However, since it is diprotic, you may want to take into account the second dissociation, which is technically weak but has a larger $\ce{K_a}$ than many weak acids. HCN a) What is the dissociation equation in an aqueous solution? The overall dissociation of oxalic acid, H2C2O4, is represented below. 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. Hydrofluoric acid, HF, has an acid dissociation constant of 1, 2)). write the ionization equation and the K_a for each of the following acids. There might be only 6 strong acids mentioned in your book, but it's by no means total number. calculate the number of N, C, O, and H atoms in 1.78*10^4g of urea. For instance, nitric acid, HNO. This cookie is used for collecting information about the user interaction with the website. What video game is Charlie playing in Poker Face S01E07? The cookie is set by Adhigh. Arrhenius dissociation: $$\ce {H2SO4 <=> H+ + HSO4-}~~~~~~~~~~\ce {K_ {a (1)}}=\ce {large}$$ Brnsted-Lowry Dissociation: Heat of neutralization of H2C2O4 (oxalic acid) is - Toppr Ask Consider the ionisation of hydrochloric acid, for example, HCl H+ (aq) + Cl- (aq). Include phase and remember to use center dot for water hydration. Why do diacidic and triacidic alkalis dissociate in one step? Thanks, but then how do I know when I will have $H_2^+$ and when $2H^+$? A blank line = 1 or you can put in the 1 that is fine. Which of the following solutions will have the highest pH? It can and does happen as you suggested. Write equilibrium constant expressions (never) 4. Sn^(2) + 2Fe^(3) Sn^(4) + 2Fe^(2), Balance the following reactions by oxidation number method : (a) H2SO4(aq) + C(s) CO2(g) + SO2(g) + H2O(l) (acidic). By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Oxalic acid is a diprotic acid with K 1 = 5.9 10 2 and K 2 = 6.4 10 5 . All other trademarks and copyrights are the property of their respective owners. (b) Classify hydrosulfuric acid as a monoprotic, diprotic, or triprotic acid. First we will observe the effects of strong acid and strong base on indicators, which are themselves weak acids and bases. How does Charle's law relate to breathing?