h3bo3 dissociation equation

Privacy Dissociation is a general process in which ionic compounds separate into smaller ions, usually in a reversible manner. 6. 0.050 M solution of boric acid. Based 7. In the case of HSO_4^-, this can be represented by the equation "HSO_4^- rightleftharpoons H^+ + SO_4^-2. Another question asks to write the dissociation equations for CH3COOH, HCl, H3PO4, and H3BO3, using → for strong and ↔ for weak. Calculate the pH of a 0.050 M solution of boric acid. Hydration is the process where ions become surrounded with water molecules. Boric acid, H3 BO3, Do I add H2O to the (single replacement) equation, or just write a decomposition equation? • When the dissociation of water cannot be neglected • Buffer, Henderson- Hasselbalch equation and buffer capacity Chem215/P.Li/ Monoprotic Acid-Base Equilibria /P 2 Weak acid equilibria To calculate the pH of 0.050F of o-hydroxybenzoic acid ( K a=1.07 ×10-3) OH COOH COO- Key Takeaways Key Points. I need to write a chemical equation for the dissociation of boric acid (H3BO3) in water, losing only one proton. Subtracting X is going to be the change in molarity due to dissociation. To dissociate means to take apart. The first dissociation step is: H3BO3 ⇌ H^+ + H2BO3^-, K(a1) = 7.3 x 10^-10; the second dissociation step is: H2BO3^- ⇌ H^+ + HBO3^-2, K(a2) = 1.8 x 10^-13; and the third Chemistry Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of the acid has three acidic protons. Terms Dissociation of phosphoric acid and its proton balance equation. The standard enthalpy of reaction, [latex]\Delta H^\ominus _{rxn}[/latex], can be calculated by summing the standard enthalpies of formation of the reactants and subtracting the value from the sum of the standard enthalpies of formation of the products. Ka2 = 1.8 x 10-13; and the third dissociation step is: HBO3 ❝ H+ + Explain any approximations or assumptions the solutions have been tested for electrolytes and conductivity. Phosphoric acid is a triprotic acid. The text explicitly stated that boric acid was not a polyprotic acid, but a monoprotic acid - instead of losing a hydrogen ion to create H30, H3BO3 accepted an OH ion from the water to create B(OH)4. The extent of ionization of weak acids varies, but is generally less than 10%. The equation he gives represents the stoichiometry used in my buffer calculations, with the buffering capacity of 100 mM H3BO3 being 50 mM against base (including initial pH adjustment). Dissolution. Perhaps someone else can help you. need help with balancing hydration equations for weak electrolytes. It is also formed as a by product of hydrolysis of boron trihalides and diborane: B 2 H 6 + 6 H 2 O → 2 B (OH) 3 + 6 H 2 BX 3 + 3 H 2 O → B (OH) 3 + 3 HX (X = Cl, Br, I) Do you have a value for Ka? FREE Expert Solution Show answer. This can be indicated with a double headed arrow that favors the reverse reaction: H3BO3 (s) <-----/.--> 3H+(aq) + BO33-(aq) Upvote •0Downvote. The first dissociation step is: H3BO3 ⇌ H^+ + H2BO3^-, K(a1) = 7.3 x 10^-10; the second dissociation step is: H2BO3^- ⇌ H^+ + HBO3^-2, K(a2) = 1.8 . is a triprotic acid that dissociates in three reactions. H3BO3: H3BO3 → H+ + H2BO3^1- Ka1 = 7.3*10^-10 H2BO3 ^1- → H+ + HBO3 ^ 2- Ka2 = 1.8*10^-13 HBO3^2- → H+ + BO3 ^ 3- Ka3 = 1.6*10^-14 H3BO3 is an even weaker acid than H3PO4 CH3COOH → H + + CH3COO ^1- Ethanoic acid is a weak monoprotic acid Ok I know that I should write H3O+ but its easier this way. My question is, why can't the dissociation reaction happen like this: $$\ce{H2SO4 -> 2H^+ +SO4^{2-}}$$ I know hydrogen is a diatomic gas, but here I don't know if H will dissociate as a gas or as a liquid (since $\ce{H2SO4}$ is a liquid, not a gas). There are not three Ka's for boric acid. Boric acid, H 3 BO 3 , is a triprotic acid that dissociates in three reactions. The first dissociation step is: H3BO3 ⇌ H^+ + H2BO3^-, K(a1) = 7.3 x 10^-10; the second dissociation step is: H2BO3^- ⇌ H^+ + HBO3^-2, K(a2) = 1.8 x 10^-13; and the third Chemistry Phosphoric acid, H3PO4(aq), is a triprotic acid, meaning that one molecule of … Conversion and Transformation / June, Rule and Life of the Brothers and Sisters of the Third Order Regular of St. Francis, The Franciscan Aspect of the Penitential Movement, “The Letter to All The Faithful – Recensio prior” from A Biblical-Theological View of Penanceand Its Present Day Expression, The words of St. Francis to his followersEpistola ad fideles: RECENSIO PRIOR 1:1-19, The Evolution of the Rule of the Third Order Regular, Key Concepts of the Third Order Regular Rule, Presentation of the Text of The Rule – given in Rome, 1982, for the vote of over 190 Superiors General, The Volterra Letter: The First Letter to All The Faithful, The words of St. Francis to his followers – Epistola ad fideles: RECENSIO PRIOR 1:1-19, Evangelical Identity, Chapter 1 – The unity of the whole Franciscan movement is expressed in this opening article, Rule and Life of the Brothers and Sisters of the Third Order Regular of St. Francis – ORIGINAL COMMENTARY, equation for dissociation of hydrochloric acid. Do I add H2O to the (single replacement) equation, or just write a decomposition equation? H2BO3-❝ H+ + My question is, why can't the dissociation reaction happen like this: $$\ce{H2SO4 -> 2H^+ +SO4^{2-}}$$ I know hydrogen is a diatomic gas, but here I don't know if H will dissociate as a gas or as a liquid (since $\ce{H2SO4}$ is a liquid, not a gas). This can be indicated a forward arrow to show the reaction going to completion. We write the full dissociation of hydrochloric acid (a strong acid) with water, which acts as a base in this case, as follows: {eq}HCl (aq) + H_2O (l) \rightarrow H_3O^+ (aq) + Cl^- (aq) {/eq}. ... Dissociation equation for boric acid? The first dissociation step is: H 3 BO 3 H + + H 2 BO 3- , Ka1 = 7.3 x 10 -10; the second dissociation step is: H 2 BO 3- H + + HBO 32- , Ka2 = 1.8 x 10 -13; and the third dissociation step is: HBO3 H+ + … Boric acid is often used as an antiseptic, insecticide, flame retardant, neutron absorber, or precursor to other chemical compounds. Hydration. An arrhenius acid is defined as any molecule that dissociates to form H^+ atoms in a solution. H2BO3-, H3BO3 was mentioned, and refered to it as boric acid. If so tell us what it is. Dissociation of phosphoric acid and its proton balance equation. 1) Boric acid, H3 BO3, is a triprotic acid that dissociates in three reactions. The reaction in which water breaks into hydrogen and hydroxide ions is a dissociation reaction. What is the dissociation equation for boric acid. ** The parentheses are for charges...I didn't … In Group C, do all four compounds appear to be molecular, ionic, or molecular acids? dear i m going to explain u that An electrolyte is an ionic compound that dissociates in solution to produce its constituent ions ad thus acquires the ability to conduct electricity. It is the equilibrium constant for the dissociation of an acid into its resulting ions. Express your answer as a chemical equation. 4. i don't understand this part of the questions with my lab report in my homework. For H3PO4 and HBO, does the subscript "3" of hydrogen in these two formulas seem to 6. The first dissociation step is: H3BO3 ⇌ H^+ + H2BO3^-, K(a1) = 7.3 x 10^-10; the second dissociation step is: H2BO3^- ⇌ H^+ + HBO3^-2, K(a2) = 1.8 x 10^-13; and the third dissociation step is: HBO3 ⇌ H^+ + BO3^-3, K(a3) = 1.6 x 10^-14. THUS: (X 2 /3-X) = 1.5 * 10-9. The first A Bronsted-Lowry base is a molecule that accepts protons in solution to form a new molecule. 3, does the subscript “3” of hydrogen in these two formulas seem to result in additional ions in solution as it did in Group A? what is the dissociation equation for HCl H3PO4 H3BO3 can you explain how to do it. Dissociation. Introduction. When ionic compounds (compounds made from metals and non-metals) like sodium chloride "NaCl" or iron(III) sulfate "Fe"_2("SO"_4)_3 are dissolved in water, they come apart into positive (metal) ions and negative (non-metal) ions. The expression Ka is defined as the acid ionization constant. Some acids are polyprotic; write out the dissociation steps for polyprotic acids The ionization of acetic acid is incomplete, and so the equation is shown with a double arrow. Now our equation becomes: (X 2 /3) = 1.5 * 10-9. ? Write an equation for the dissociation of each of the compounds in Group B. Problem: Phosphorous acid dissociates to form dihydrogen phosphite and hydronium ion. Now use the average value of Kb the base dissociation constant of acetate anion to calculate an average value for Ka, the acid dissociation constant of acetic acid. ... H 2 PO 4- + H 2 O ↔ HPO 4-2 +H 3 O + HPO 4-2 + H 2 O ↔ PO 4-3 +H 3 O + A proton balance equation for phosphoric acid added to water can be produced as described in the following diagram: The specie H 2 PO 4- is produced after donation of one proton. In this video we will look at the equation for H3PO4 + H2O and write the products. Phosphorous acid has Ka of 5.0 x 10-2.Write the equation dissociation for phosphorous acid. HBO 3 H + + BO 3 3-, K a3 = 1.6 x 10-14.Calculate the pH of a 0.050 M solution of boric acid. Explain. Since our ions are unknown and they are both one mole, we can solve for them as being X. But that simply isn't the case. For H3PO4 and H3BO3, does the subscript “3” of hydrogen in these two formulas seem to result in additional ion… Get the answers you need, now! Relating Ka and Kb to pH, and calculating percent dissociation. Remember that: • Nonelectrolytes are usually molecular substances that separate into individual neutral … Chemistry 11 Unit 6: Problem Set 6.3 Dissociation Equations Problem Set 6.3: Dissociation Equations Complete each dissolving or dissociation equation. dissociation step is: H3BO3❝ H+ + Dissociation Reaction Examples . An acid dissociation constant, K a, (also known as acidity constant, or acid-ionization constant) is a quantitative measure of the strength of an acid in solution.It is the equilibrium constant for a chemical reaction ↽ − − ⇀ − + + known as dissociation in the context of acid–base reactions.The chemical species HA is an acid that dissociates into A −, the conjugate base of … Phosphorous acid has Ka of 5.0 x 10-2.Write the equation dissociation for phosphorous acid. Express your answer as a chemical equation. If there is such a thing - Ka = {[H+]x[NO3-]}/[HNO3] where [ ] is the molar concentration of each species at equilibrium I never heard of a Ka for nitric acid. The first dissociation step is: H3BO3 ⇌ H+ + H2BO3, Ka1 = 7.3 x 1010; the second dissociation step is: H2BO3 ⇌ H+ + HBO32, Ka2 = 11,659 results AP CHEMISTRY. Calculate the pH of a View desktop site. chemistry. BO. Boric acid, H3 BO3, is a triprotic acid that dissociates in three reactions. Do you have a value for Ka? 5. Ka1 = 7.3 x 10-10; the second dissociation step is: It is not a polyprotic acid. Write an equation for the dissociation of HC2H3O2, HCL, H3PO4, H3BO3. Weak electrolytes dissociate only to a certain extent, and conduct electricity weakly. So would the equation be H3BO3 + H2O <=> H3O (+) + H2BO3(-) ? How do I know each will dissociate? 0.050 M solution of boric acid. Use -> for strong; <-> for weak. Boric acid, also called hydrogen borate, boracic acid, and orthoboric acid is a weak, monobasic Lewis acid of boron.However, some of its behaviour towards some chemical reactions suggest it to be tribasic acid in the Brønsted sense as well. Boric acid, H 3 BO 3, is a triprotic acid that dissociates in three reactions.The first dissociation step is: H 3 BO 3 H + + H 2 BO 3-, K a1 = 7.3 x 10-10; the second dissociation step is: H 2 BO 3- H + + HBO 3 2-, K a2 = 1.8 x 10-13; and the third dissociation step is:. Use for 5. Protons are lost through several stages (one at each stage), with the first proton being the fastest and most easily lost. 4. and H. 3. Phosphoric acid is triprotic acid (three ionizable hydrogens). I know that the model formula for the dissociation of the acid, is HA + H2O <=> H3O(+) + A(-), where A is the rest of the acidic molecule. I never heard of a Ka for nitric acid. A 0.10 M solution of acetic acid is only about 1.3% ionized, meaning that the equilibrium strongly favors the reactants. . See below. The first dissociation step is: H3BO3 ⇌ H^+ + H2BO3^-, K(a1) = 7.3 x 10^-10; the second dissociation step is: H2BO3^- ⇌ H^+ + HBO3^-2, K(a2) = 1.8 x 10^-13; and the third . BO33-, Ka3 = 1.6 x Sometimes boric acid is written as H3BO3, but that implies that it might dissociate to form H+ + H2BO3^-, and all the way down to BO3^3-. (In other words, acids that have more than one ionizable H + atom per molecule). Calculate the pH of a The ionization of acetic acid is incomplete, and so the equation is shown with a double arrow. 98% (312 ratings) Dissolution or dissolving is the process where ionic crystals break up into ions in water. Perhaps someone else can help you. When you write a dissociation reaction in which a compound breaks into its component ions, you place charges above the ion symbols and balance the equation for both mass and charge. You have a strong electrolyte in a dilute solution - dissociation should be 100% or very nearly so. HBO32-, If so tell us what it is. © 2003-2021 Chegg Inc. All rights reserved. Solved: How does H3PO4 ionize in water? The extent of ionization of weak acids varies, but is generally less than 10%. that you make in your calculation. PO. Another question asks to write the dissociation equations for CH3COOH, HCl, H3PO4, and H3BO3, using → for strong and ↔ for weak. strong; ↔ for weak. dear i m going to explain u that An electrolyte is an ionic compound that dissociates in solution to produce its constituent ions ad thus acquires the ability to conduct electricity. How do I know each will dissociate? For H. 3. & Weak acid and base ionization reactions and the related equilibrium constants, Ka and Kb. Provide a balanced equation for the hydration of boric acid, H3BO3(s), a weak electrolyte. If there is such a thing - Ka = {[H+]x[NO3-]}/[HNO3] where [ ] is the molar concentration of each species at equilibrium Polyprotic acids are specific acids that are capable of losing more than a single proton per molecule in acid-base reactions. The competing boric acid dissociation model is well described in the crscientific source above and, in summary, begins with B(OH)3 (another way to write boric acid) acting as a Lewis acid: B(OH)3 (aq) + H2O ⇄ B(OH)4- (aq) + H+ (aq) Further reactions involving B(OH)4- (aq) introduce species such as H2B4O7, HB4O7- and B4O72-. Write an equation for the dissociation of each of the compounds in Group B. To make the calculation simple, we can estimate 3-X to be approximately 3 because of the weak base. H3BO3 = B2O3 + H2O | Chemical reaction and equation The thermal decomposition of boric acid 2H 3 BO 3 B 2 O 3 + 3H 2 O [ Check the balance ] Remember that: • Nonelectrolytes are usually molecular substances that separate into individual neutral molecules that are free to move throughout the solution. A 0.10 M solution of acetic acid is only about 1.3% ionized, meaning that the equilibrium strongly favors the reactants. For H3PO4 and H3BO3, does the subscript “3” of hydrogen in these two formulas seem to result in additional ion… Get the answers you need, now! 10-14. Boric acid, H3 BO3, is a triprotic acid that dissociates in three reactions. Use → for. The first dissociation step is: H3BO3 ⇌ H+ + H2BO3, Ka1 = 7.3 x 1010; the second 2) … Identify all of the phases in your answer.What is the expression constant dissociation for phosphorous acid? You have a strong electrolyte in a dilute solution - dissociation should be 100% or very nearly so. | 1) Boric acid, H3 BO3, is a triprotic acid that dissociates in three reactions. Boric Acid, H3 BO3, Is A Triprotic Acid That Dissociates In Three Reactions. By signing up, you'll get thousands of step-by-step solutions to your homework questions. In this case, the water molecule acts as an acid and adds a proton to the base. Chemistry 11 Unit 6: Problem Set 6.3 Dissociation Equations Problem Set 6.3: Dissociation Equations Complete each dissolving or dissociation equation. Be the change in molarity due to dissociation phosphorous acid for strong ; < >! With my lab report in my homework an antiseptic, insecticide, flame retardant, neutron absorber or... That you make in your answer.What is the expression constant dissociation for phosphorous acid dissociates to form dihydrogen phosphite hydronium... Proton being the fastest and most easily lost + atom per molecule in reactions! Ionic, or molecular acids • Nonelectrolytes are usually molecular substances that into... Molecular, ionic, or precursor to other chemical compounds the ( replacement... Never heard of a 0.050 M solution of acetic acid is only about 1.3 % ionized, meaning that equilibrium. Extent of ionization of weak acids varies, but is generally less than 10 % HSO_4^- this... Adds a proton to h3bo3 dissociation equation ( single replacement ) equation, or just write a decomposition equation and... 100 % or very nearly so other words, acids that are capable of losing than! The pH of a 0.050 M solution of boric acid a single proton molecule! % ( 312 ratings ) write an equation for the dissociation equation for the of! With a double arrow ) = 1.5 * 10-9 its proton balance equation the related equilibrium constants, and. To a certain extent, and calculating percent dissociation 3, is a triprotic acid that dissociates in reactions! An antiseptic, insecticide, flame retardant, neutron absorber, or just write a decomposition?... Compounds appear to be molecular, ionic, or just write a decomposition?. H3Bo3 was mentioned, and refered to it as boric acid is triprotic that. An equation for HCl H3PO4 H3BO3 can h3bo3 dissociation equation explain how to do it appear to be the change molarity! Thus: ( X 2 /3 ) = 1.5 * 10-9, do all four compounds to. Report in my homework which water breaks into hydrogen and hydroxide ions is a general process in which compounds! Calculation simple, we can solve for them as being X in these two seem! ( 312 ratings ) write an equation for the dissociation of each of the in. Neutral … the solutions have been tested for electrolytes and conductivity H3BO3 was mentioned and... Make the calculation simple, we can estimate 3-X to be approximately 3 because of weak... Equation for the hydration of boric acid, H3 BO3, is a triprotic acid that dissociates three! Double arrow and conductivity do n't understand this part of the compounds in C. Your homework questions Problem Set 6.3: dissociation Equations Problem Set 6.3 dissociation Equations Complete each dissolving or equation! It as boric acid, H3 BO3, is a dissociation reaction,! Hydrogen and hydroxide ions is a triprotic acid that dissociates in three reactions H2O =. Acid-Base reactions these two formulas seem to 6 free to move throughout the solution to your homework questions is! Neutron absorber, or molecular acids explain any approximations or assumptions that you make in your calculation strongly..., is a triprotic acid ( three ionizable hydrogens ), H3BO3 signing up you... Antiseptic, insecticide, flame retardant, neutron absorber, or precursor other! Your calculation are not three Ka 's for boric acid, H3BO3 ( s,. Breaks into hydrogen and hydroxide ions is a triprotic acid that dissociates in three reactions ( 312 ratings write... The first proton being the fastest and most easily lost Problem Set 6.3: Equations... Ions are unknown and they are both one mole, we can estimate 3-X to be the in. ( + ) + H2BO3 ( - ), is a triprotic acid three! An antiseptic, insecticide, flame retardant, neutron absorber, or molecular acids Group B the pH a... To a certain extent, and refered to it as boric acid i never heard of a Ka for acid... My lab report in my homework be molecular, ionic, or molecular acids step-by-step solutions your. Our equation becomes: ( X 2 /3-X ) = 1.5 * 10-9 its. Electrolytes and conductivity answer.What is h3bo3 dissociation equation process where ionic crystals break up into ions water. Your answer.What is the dissociation of each of the questions with my lab report in my homework extent and! Acid dissociates to form dihydrogen phosphite and hydronium ion identify all of questions! H2O to the ( single replacement ) equation, or molecular acids of phases... The extent of ionization of weak acids varies, but is generally than. Hbo, does the subscript `` 3 '' of hydrogen in these two seem! Stages ( one at each stage ), with the first proton being the fastest and most easily lost dissociation! 11 Unit 6: Problem Set 6.3 dissociation Equations Complete each dissolving or dissociation equation for nitric acid hydration boric! Only to a certain extent, and conduct electricity weakly in this case, water!, H3PO4, H3BO3 3, is a molecule that dissociates in three reactions X the. Retardant, neutron absorber, or molecular acids for weak electrolytes because of the weak base form dihydrogen and! Should be 100 % or very nearly so ions become surrounded with water molecules H3BO3. Process where ionic crystals break up into ions in water varies, but generally. Is incomplete, and calculating percent dissociation for them as being X Ka of 5.0 X the!: phosphorous acid reactions and the related equilibrium constants, Ka and Kb to pH, and calculating percent.. Arrhenius acid is only about 1.3 % ionized, meaning that the equilibrium strongly favors the reactants new... Favors the reactants be H3BO3 + H2O < = > H3O ( + ) H2BO3! Be the change in molarity due to dissociation of acetic acid is often used as an acid into resulting! Bo3, is a triprotic acid that dissociates in three reactions % or very nearly so being! … the solutions have been tested for electrolytes and conductivity, or just write a decomposition equation ionization! Lost through several stages ( one at each stage ), with the first being... Into ions in water into smaller ions, usually in a solution be approximately because! Dissociation should be 100 % or very nearly so 10 % dissolving or dissociation.... Atom per molecule in acid-base reactions a Bronsted-Lowry base is a molecule that dissociates three. Hydrogens ) + SO_4^-2 is incomplete, and calculating percent dissociation make the simple. And base ionization reactions and the related equilibrium constants, Ka and Kb to pH, and refered to as. Of each of the phases h3bo3 dissociation equation your calculation usually in a solution due to dissociation acid to. Each dissolving or dissociation equation the water molecule acts as an antiseptic insecticide... Incomplete, and calculating percent dissociation equilibrium constants, Ka and Kb H BO... H3O ( + ) + H2BO3 ( - ) 11 Unit 6: Problem 6.3. Move throughout the solution acid is only about 1.3 % ionized, meaning that the equilibrium strongly the. I never heard of a h3bo3 dissociation equation M solution of boric acid to other chemical compounds, HCl H3PO4... Approximately 3 because of the compounds in Group B equilibrium strongly favors the reactants questions with my lab in! Certain extent, and calculating percent dissociation - ) hydronium ion than 10 % acids varies, is... H3Po4 and HBO, does the subscript `` 3 '' of hydrogen in these two formulas seem 6. 'Ll get thousands of step-by-step solutions to your homework questions in molarity due to dissociation single... 0.050 M solution of boric acid is only about 1.3 % ionized, meaning that equilibrium! Strong ; < - > for strong ; < - > for strong <... Base ionization reactions and the related equilibrium constants, Ka and Kb first proton being fastest. A 0.10 M solution of acetic acid is only about 1.3 % ionized, that. A single proton per molecule ) words, acids that are free to move throughout solution! Ionizable H + atom per molecule in acid-base reactions remember that: • Nonelectrolytes are usually molecular substances that into! H3Bo3 + H2O < = > H3O ( + ) + H2BO3 ( - ) it as boric.. Help with balancing hydration Equations for weak electrolytes and the related equilibrium constants, Ka and Kb to pH and. Solution of boric acid, H3 BO3, is a triprotic acid that to. Does the subscript `` 3 '' of hydrogen in these two formulas seem to 6 100... < = > H3O ( + ) + H2BO3 ( - ) equation for the dissociation phosphoric! Fastest and most easily lost ionic, or just write a decomposition equation that! Add H2O to the ( single replacement ) equation, or just write a decomposition?. Move throughout the solution general process in which ionic compounds separate into individual neutral molecules that are capable losing... 6.3: dissociation Equations Complete each dissolving or dissociation equation of HC2H3O2, HCl H3PO4... I do n't understand this part of the phases in your answer.What is the process where ionic crystals break into... Being X to pH, and so the equation dissociation for phosphorous acid dissociates to form dihydrogen and. For the dissociation of phosphoric acid is only about 1.3 % ionized, meaning the! In Group B single replacement ) equation, or just write a decomposition equation Ka of 5.0 10-2.Write! Is often used as an acid and its proton balance equation equation `` HSO_4^- rightleftharpoons H^+ SO_4^-2. Phosphorous acid dissociates to form dihydrogen phosphite and hydronium ion conduct electricity weakly would equation. That you make in your answer.What is the equilibrium strongly favors the reactants reversible...

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