Acid-base titration: Calculate pKa with only three values given, Accurate method to calculate the pH of a salt from a weak acid and weak base, Finding the pH of a mixture of weak acid and strong base, Finding the pOH of a buffer from the scratch without the Henderson Hasselbalch equation. These are produced by the reaction of strong acid and weak base. Potassium carbonate is the primary component of potash and the more refined pearl ash or salts of tartar. This website uses cookies to improve your experience while you navigate through the website. Answer : K2CO3 ( POTASSIUM CARBONATE ) is base. This is the balanced equation of what happens when N aH solid is placed into water: N aH (aq) + H 2O(l) N aOH (aq) + H 2(g) 0000007819 00000 n It is a basic salt because KOH is a strong base and H2CO3 is a weak acid and both react to make K2CO3. However, you may visit "Cookie Settings" to provide a controlled consent. How to show that an expression of a finite type must be one of the finitely many possible values? Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. 6 22 What is the structure of the functional group and the condensed formula for 4,4,5-triethyl What reactants combine to form 3-chlorooctane? k2so3 acid or base ? If the Cs2CO3 is in water then I would expect that the pKas for the base are the same as those for K2CO3, Na2CO3 and. Avoid contact with skin and eyes. What is K2CO3 used for in organic chemistry? Arrhenius's theory for acid: According to Arrhenius's theory for acid, the substance which produces an H + ion or proton on dissolving in an aqueous solution is categorized as an acid. Don't forget to measure the exact mass or the molarity of KOH/K2CO3.Repeat this determination several times to find the right equivalence point, this is important by these kind of quality controls. 0000000993 00000 n Connect and share knowledge within a single location that is structured and easy to search. Making the calculations easy is the point. The pKa of its conjugate acid is 10.25. Acid. As a strong base, sodium hydroxide neutralizes gastric acid thereby acting as an antacid. Since alkoxide ions are highly reactive, they are usually prepared immediately prior to the reaction or are generated on the spot. 0 mL H3PO4 solution. H 2 C O 3 + 2 K O H K 2 C O 3 + H 2 O Because HCl is listed in Table 12.2 "Strong Acids and Bases", it is a strong acid. Understand what a monoprotic acid is, how to identify them by analyzing the equivalence points, and see monoprotic acid examples. Because K is a metal and CO3. Spectator ions K+, NO3 IONs, Fe3+, (CO3)2- It presents a large capacity to absorb moisture. These cookies will be stored in your browser only with your consent. pH of a weak acid/base solution. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Step 1/1. Strong and Weak Bases and also tell me there name 2 See answers Advertisement Advertisement Potassium carbonate is relatively non-toxic. Little of the carbonate goes to bicarbonate, so to two significant figures you really don't need the quadratic solution. 1. It is a dipotassium salt of carbonic acid. pH is above 7. However, you may visit "Cookie Settings" to provide a controlled consent. Is there a solutiuon to add special characters from software and how to do it, Minimising the environmental effects of my dyson brain, Recovering from a blunder I made while emailing a professor, Euler: A baby on his lap, a cat on his back thats how he wrote his immortal works (origin?). To tell if K2CO3 (Potassium carbonate) forms an acidic, basic (alkaline), or neutral solution we can use these three simple rules along with the neutralization reaction that formed K2CO3 .First we need to figure out the acid and base that were neutralized to form Potassium carbonate. Is sodium carbonate chemically an acid base oxidizing agent or reducing agent? endstream endobj 7 0 obj <> endobj 8 0 obj <> endobj 9 0 obj <>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 10 0 obj <> endobj 11 0 obj <> endobj 12 0 obj [/ICCBased 22 0 R] endobj 13 0 obj <>stream The carbonate radical (CO3) is a strong oxidative radical that is generated via the reactions of HCO3/CO32 with hydroxyl radical (HO) or triplet states of dissolved organic matter (3DOM) in sunlit surface water. Making the calculations easy is the point. It combines strength and delicacy, resulting from a neutral pH. via the following equation: K2CO3 + 2H+ ==> CO2 + H2O + 2K+ The 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. The main hazard is the environmental danger. - Base for alkylations (including Benzyl Protections, SEM Protections, and Cbz Protections), - Base to neutralize acidic reaction mixtures prior to workup. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. 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. Is K2CO3 acid or base? Given the concentration of this solution ,the pH should be sufficiently high to preclude the formation of any significant amount of $\ce{H_2CO_3}$ , so the solution of this problem as a solution of a monoprotic weak base: $\ce{CO_3^{-2} + H_2O <=> HCO_3^- + OH . The first, titled Arturo Xuncax, is set in an Indian village in Guatemala. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. What is the role of K2CO3 in reaction? ( Note : HI is a strong acid; HF is a weak acid) Solution: (F , Cl, Br, I F is the smallest and I is the largest in size) The radius of I is larger than the radius of F. This is why the H-I bond is weaker than the H-F bond, HI is easier to break than HF, and the Ka for HI is greater. 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. As quickly as possible, identify the compounds below by type of acid or base. If it is under aqueous conditions then you need the pKa of H2CO3 and HCO3-. BASE ( wikipedia) Potassium sulfite is the inorganic compound with the formula K2SO3. Potassium bromate represented by the chemical formula KBrO3 or BrKO3 is a white crystalline powder that is soluble in water. Accordingly, is kclo4 an acid or base? You also have the option to opt-out of these cookies. Do you need underlay for laminate flooring on concrete? Making statements based on opinion; back them up with references or personal experience. This cookie is set by GDPR Cookie Consent plugin. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. The carbonate ion is the Conjugate base of the weak acid $\ce{HCO_3^-}\ (K={4.7\times10^{-11}})$, so this solution will alkaline. Final answer. 2 Answers. To understand whether H 2 CO 3 is an acid or base, look out the two important theories of the acid-base concept (a).Arrhenius theory (b).Bronsted-Lowry theory. Carbonic acid is a weak acid and potassium hydroxide is a strong base. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. ACIdS, BASES ANd SALTS A. ACIDS: Can be defined according to its properties, for example when an acid is dissolved in water it produces hydrogen ions (H+). So the mole . Potassium perchlorate is the inorganic salt with the chemical formula KClO4. The correct answer is that NaClO, K2CO3, and NaF will form basic soltions. acetaminophen. Potassium Phosphate is an inorganic compound used as a laxative, dietary supplement and for electrolyte-replacement purposes. Then you can calculate the molar ratio of KOH/K2CO3. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. NH4Cl is acidic salt. These cookies will be stored in your browser only with your consent. I am unsure of which $\mathrm pK_\mathrm a$ I should consider. \end{align}. It is a white salt, which is soluble in water. Acid. Necessary cookies are absolutely essential for the website to function properly. 0 0 Similar questions The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". 2 Answers. However, higher yields are generated from the use of Na2CO3 as a base, which is 97.68% or in other words higher than K2CO3. NH4Cl is acidic salt in nature formed from the neutralization of strong acid (HCl) with a weak base (NH4OH). By clicking Accept, you consent to the use of ALL the cookies. 27 0 obj <>stream A reaction of CH-acids with electrophilic agent (Michael acceptors, alkyl and allyl halides, dihaloalkanes and -alkenes, etc.) k2Co3 is basic salt. $$\mathrm{pH} = \frac{\mathrm pK_\mathrm w + \mathrm pK_\mathrm a + \log c}{2}.$$. How can I explain to my manager that a project he wishes to undertake cannot be performed by the team? Potassium ion (K+) is not considered to have much in the way of acidity or basicity because it has a full octet of electrons in its outer valence shell. Potassium carbonate is formed by the reaction of carbonic acid and potassium hydroxide. \begin{align} 0000001170 00000 n What is meant by hydrolysis? The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. This cookie is set by GDPR Cookie Consent plugin. its name is potassium carbonate and it is basic. The carbonate ion is the Conjugate base of the weak acid Write structural formula(condensed) for all the primary , secondary and tertiary haloalkanes An alcohol has the molecular formula C4H10O write the structural formulae of the isomers to show See all questions in Quick Introduction of Structures. Traduo Context Corretor Sinnimos Conjugao. Salts that produce H+ ions when dissolved in water making it acidic solutions are Acidic salts. Carbonate is made of one carbon and three oxygens . It is commonly used to deprotonate moderately acidic protons such as phenols (pKa ~10) and 1,3-dicarbonyl compounds (pKa ~9-13). This cookie is set by GDPR Cookie Consent plugin. Molecular Weight: 138.21 g/mol Appearance: White solid Chemical Formula: K2CO3 Melting Point: 891 C Potassium carbonate (K2CO3) is a commonly used base in organic chemistry. Classify these salts as acidic, basic, or neutral. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. An aqueous solution of KC2H3O2 will be basic. It is a white salt, which is soluble in water. Is K2CO3 an acid or base or salt? Analytical cookies are used to understand how visitors interact with the website. 31K. Carbonic Acid | CH2O3 | CID 767 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. List molecules Acid and Base. The cookie is used to store the user consent for the cookies in the category "Analytics". . These are inorganic compounds in which the largest oxoanion is sulfite, and in which the heaviest atom not in an oxoanion is an alkali metal. As the halide reacts with the alkoxide, the position of equilibrium is disturbed and, according to Le Chtelier's Principle, the equilibrium shifts to the right to restore the equilibrium. What is meant by the competitive environment? POTASSIUM SULFITE, also known as potassium sulphite, belongs to the class of inorganic compounds known as alkali metal sulfites.Structure for FDB015405 (Potassium sulfite (K2SO3)). FeCl 3 is an acid salt because Fe (OH) 3 is weak base and HCl is a strong acid. Hydrosulfuric acid is produced when hydrogen sulfide is dissolved in water, and it is an organic acid. But opting out of some of these cookies may affect your browsing experience. Both HNO 3 and KOH are strong. If it does not dissociate 100%, it is a weak acid. <<2D7989B62EE0F24181B6E15C9CE4D99C>]>> The cookie is used to store the user consent for the cookies in the category "Other. The species on the far right is called carbonic acid (H2CO3). This website uses cookies to improve your experience while you navigate through the website. Share on Facebook Tweet on Twitter Plus on Google+. Potassium Carbonate (K2CO3) Electrolyte 60g Packet. OH-. Any help shall be appreciated. 2. Amphoteric salts are those salts which can act as both acid and base. The pKa of its conjugate acid is 10.25. Identify each acid or base as strong or weak. #"CO"_3^"2-" + "R"_1"-OH" "HCO"_3^"-" + "R"_1"-O"^"-"#. What happens when potassium carbonate decomposes? Perhaps they gain the characteristic of their dominant parent: the acid or base. National Institutes of Health. $\ce{H2CO3}$ ionises as 0000013848 00000 n Tradues em contexto de "bases fracas" en portugus-ingls da Reverso Context : Os indicadores de pH so frequentemente cidos ou bases fracas. Any acid that dissociates 100% into ions is called a strong acid. Stack Exchange network consists of 181 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchange The cookie is used to store the user consent for the cookies in the category "Performance". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Over the past few years, potassium carbonate (K2CO3) has been widely used as mild base catalyst in many organic reactions such as monomethylation reactions (18), O-alkylation (19), synthesis of 2H-chromenes (20), thiolysis of epoxides (21), Knoevenagel and Nitroal- dol Condensation (22). We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. $$\sqrt { (2\times10^ {-4})\times 0.5} = 0.010$$ so that solution is off by about 1 part in 50. Ill tell you the Acid or Base list below. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. It is a white solid that is highly soluble in water. Analytical cookies are used to understand how visitors interact with the website. Ka = Dissociation constant of acid. Traduo Context Corretor Sinnimos Conjugao. Potassium bicarbonate is a white, crystalline, slightly alkaline and salty substance. It is the salt of potassium cation and sulfite anion. KClO is a salt. 0000000916 00000 n I think there will be anionic hydrolysis of the salt. Potassium sulfite (K2SO3) is a chemical compound which is the salt of potassium cation and sulfite anion. Khco3 ( potassium bicarbonate ) is base what is an acid, base, neutral ? Determine whether aqueous solutions of the following salts are acidic, basic, or neutral: Al(OH)_3 is a weak base, HNO_3 is a strong acid, RbOH is a strong base, HI is a strong acid, KOH is a strong base, H_2CO_2 is a weak acid, CH_3NH_3OH, Hbr is a stron; Consider solutions of the following salts: a. NH_4NO_3; b. KNO_3; c. Al(NO_3)_3. Example 6. The cookie is used to store the user consent for the cookies in the category "Other. Potassium Carbonate can work as a base by creating potassium hydroxide by the break down of carbonate into carbon dioxide and water. So, to generalize this; if you need to choose a base to deprotonate a compound that has, for example, a p K a = 10, you can pick anything from the p K a table that has a p K a > 10 and use its conjugate base. How to analyze a acid and salt mixture using titrimetry? NH 4 + is a weak acid, and the two possible reactions are: NH 4 + + H 2 O H 3 O + + NH 3. pK A of NH 4 + = 9.24. 4 What is K2CO3 used for in organic chemistry? How do you get out of a corner when plotting yourself into a corner, Redoing the align environment with a specific formatting. 0 0 Similar questions Which of the amino acids has hydroxyl in its R-group : Easy View solution > Which of the following base is used in the manufacturing of bleaching powder? Page 15 To tell if K2CO3 (Potassium carbonate) is an electrolyte or non-electrolyte we first need to know what type of compound we have. %%EOF It's water-soluble. It is a white salt, which is soluble in water and forms a strongly alkaline solution. Over the past few years, potassium carbonate (K2CO3) has been widely used as mild base catalyst in many organic reactions such as monomethylation reactions (18), O-alkylation (19), synthesis of 2H-chromenes (20), thiolysis of epoxides (21), Knoevenagel and Nitroal- dol Condensation (22). How to handle a hobby that makes income in US, Doubling the cube, field extensions and minimal polynoms. These cookies track visitors across websites and collect information to provide customized ads. It is a carbonate salt and a potassium salt. List molecules Acid and Base or Neutral. ACID (wikipedia) An acid is a molecule or ion capable of donating a hydron (proton or hydrogen ion H+), or, alternatively, capable of forming a covalent bond with an electron pair (a Lewis acid ). Do you expect a solution of K2CO3 to be acidic basic or neutral? It is widely used in the production of glass and soap. 0000003455 00000 n How many times should a shock absorber bounce? ; Because Mg(OH) 2 is listed in Table 12.2 "Strong Acids and Bases", it is a strong base. After completing his doctoral studies, he decided to start "ScienceOxygen" as a way to share his passion for science with others and to provide an accessible and engaging resource for those interested in learning about the latest scientific discoveries. Given the concentration of this solution ,the pH should be sufficiently high to preclude the formation of any significant amount of $\ce{H_2CO_3}$ , so the solution of this problem as a solution of a monoprotic weak base: By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. K2CO3 can accept 2. so twice as In this case both NH 4 + and H 2 PO 4-could enter into acid-base reactions with water and contribute to the pH of the solution, so K A (or pK A) values need to be considered. $\ce{[OH^-]}={10^{-2}}$ Which corresponds to $\ce{pOH = 2}$ or $\ce{pH = 12}$. The aqueous solution of ammonium chloride is slightly acidic having a pH value range from 4.5 to 6. The equation for K2CO3 is:KOH + H2CO3 = K2CO3 + H2OIt is also useful to have memorized the common strong acids and bases to determine whether K2CO3 acts as an acid or base in water (or if it forms a neutral solution).Strong acids: HCl, H2SO4, HNO3, HBr, HI, HClO4Weak acids: HF, CH3COOH, H2CO3, H3PO4, HNO2, H2SO3Strong Bases: LiOH, NaOH, KOH, Ca(OH)2, Sr(OH)2, Ba(OH)2Weak Bases: NH3, NH4OHNote that we are talking about whether K2CO3 is an acid, base, or neutral when dissolved in water.- Salts of strong bases and strong acids: pH will remain neutral at 7.- Salts of weak bases and strong acids: pH less than 7 (acidic).- Salts from strong bases and weak acids: pH greater than 7 (alkaline).Based on these rules, the solution of K2CO3 dissolved in water is Neutral.For polyprotic acids (e.g. Therefore, carbonic acid and bicarbonate anion can be interconverted into each by elimination or addition of hydrogen. Why is K2CO3 basic? This cookie is set by GDPR Cookie Consent plugin. We also use third-party cookies that help us analyze and understand how you use this website. Potassium carbonate is an acceptable buffer and serves as a potassium supplement. Also the "exact" solution, neglecting activities, is a cubic equation. At 1200 C, it decomposes into K+O+CO (Chemiday). Explain why the ionization constant, Ka, for HI is larger than the ionization constant for HF. Possible types of acid or base are: strong acid, weak acid, strong base, weak base and spectator ions. Potassium carbonate is the inorganic compound with the formula K2CO3. Answer : K2CO3 ( POTASSIUM CARBONATE ) is base. S/AZ modified by calcium (S/Ca-AZ), magnesium (S/Mg-AZ), strontium (S/Sr-AZ) and barium oxides (S/Ba-AZ) were synthesized by solvent-free method and characterized . Conjugao Documents Dicionrio Dicionrio Colaborativo Gramtica Expressio Reverso Corporate. It does not store any personal data. These cookies track visitors across websites and collect information to provide customized ads. NH4Cl is acidic salt in nature formed from the neutralization of strong acid (HCl) with a weak base (NH4OH). 0000002104 00000 n K3PO4 is the salt of a weak acid and a strong base. Showing Compound Potassium sulfite (K2SO3) (FDB015405). How do I align things in the following tabular environment? History. 0000004834 00000 n MathJax reference. The solute is assumed to be either weak acid or weak base where only one ion dissociates. K2CO3 potassium carbonate on hydrolysis gives KOH which is a strong base and is highly ionisable and therefore the solution becomes strongly basic. March 31, 2022 by guillaume boivin Potassium carbonate (K2CO3) is a commonly used base in organic chemistry. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. So even the quadratic is an approximation. The carbonate can draw one hydrogen from two different water molecules. For many plants, soil that is high in alkalinity makes it harder for plants to drink in nutrients from the soil, which can limit their optimal growth. Potassium Nitrate The Carbon Dioxide molecule will leave the solution as a gas, the water will become part of the solvent liquid of the solution leaving the solution more basic because of the presence of two "new" basic potassium hydroxide molecules. Sodium bicarbonate is a white solid that is crystalline but often appears as a fine powder. Share Improve this answer KNO3 is a neutral salt as it is made from the neutralization reaction of the strong acid(HNO3) with a strong base(KOH).Is Potassium nitrate (KNO3) an acid or base or salt? Potassium carbonate is the inorganic compound with the formula K 2 CO 3. 0000001730 00000 n But opting out of some of these cookies may affect your browsing experience. pH of a solution calculator; pH of a weak acid/base solution. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". It is commonly used to deprotonate moderately acidic protons such as phenols (pKa ~10) and 1,3-dicarbonyl compounds (pKa ~9-13). LIST ACID. These starting materials are inexpensive This is done viabromination in chloroform, under thermal or photochemical means (4). Potassium carbonate has high solubility in water (1.12 g/mL, at 20 C), and has low solubility in ethanol, acetone, and many other common organic solvents. What characteristics allow plants to survive in the desert? The cookies is used to store the user consent for the cookies in the category "Necessary". K2CO3 is also known as potash carbonate and is used in fertilisers, agrochemicals, heat-resistant glass, soaps, and in the manufacturing of other chemical compounds. The reaction is shown below. Clean-running Potassium carbonate Electrolyte in an 60 gram packet. Potassium carbonate is the inorganic compound with the formula K2CO3. It does not store any personal data. Necessary cookies are absolutely essential for the website to function properly. Example: Potassium carbonate (K2CO3) is a basic salt. Neutral Li+, first column in periodic table, therefore neutral ClO4-, conjugate acid is the strong acid HClO4. It is commonly used to deprotonate moderately acidic protons such as phenols (pKa ~10) and 1,3-dicarbonyl compounds (pKa ~9-13). xb``f``e T, HP Qb+Q6[O\G8z^z V@g8` Potassium carbonate (K2CO3) is a white salt, soluble in water (insoluble in ethanol) which forms a strongly alkalinesolution. It does not store any personal data. The inorganic nitrate salt of potassium. The winners are: Princetons Nima Arkani-Hamed, Juan Maldacena, Nathan Seiberg and Edward Witten. The cookie is used to store the user consent for the cookies in the category "Analytics". Potassium carbonate is the inorganic compound with the formula K2CO3. As , EL NORTE is a melodrama divided into three acts. What is the purpose of this D-shaped ring at the base of the tongue on my hiking boots? What am I doing wrong here in the PlotLegends specification? K2CO is a basic salt from neutralization of strong base KOH and The C2H3O2- is from a weak acid ( HC2H3O2 ), thus it is a basic ion. These cookies track visitors across websites and collect information to provide customized ads. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. KNO 3 is a neutral salt. If an acid is not listed here, it is a weak acid. Neglecting the $\ce{OH^-}$ produced by the autoprotolysis of water, it is valid to make the usual assumption that $\ce{[OH^-]}={[HCO_3^-]}$,and little of the carbonate goes to bicarbonate,so$\ce{[CO_3^{-2}]}={[CO_3^{-2}]_0}=0.5$ ,so thus These cookies will be stored in your browser only with your consent. Is K2CO3 and acid or base? Use MathJax to format equations. Both NH 4 OH and HC 2 H 3 O 2 The pKa of its conjugate acid is 10.25. trailer Analytical cookies are used to understand how visitors interact with the website. It will react with acids via the following equation: K2CO3 + 2H+ ==> CO2 + H2O + 2K+ The reaction will actually produce water (and CO2 gas) as. $$\ce{K_{b(CO_3^{-2})}}=\frac{[OH^-][HCO_3^-]}{[CO_3^{-2}]} =\frac{K_w}{K_{a(HCO_3^-)}}=\frac{10^{-14}}{5\times 10^{-11}}=\ce{2\times10^{-4}}$$ View the full answer. The cookie is used to store the user consent for the cookies in the category "Other. What is an acid, base, neutral? , Salt of wormwood. It is a white salt, which is soluble in water. National Library of Medicine. 6 0 obj <> endobj Born and raised in the city of London, Alexander Johnson studied biology and chemistry in college and went on to earn a PhD in biochemistry. Superbases are Lewis bases that are Group 1 salts of carbanions, such as hydrides and amides. The information of k2co3 acid or base is constantly complemented and updated on echemi.com. Potassium carbonate is formed by the reaction of carbonic acid and potassium hydroxide. [3] History [ edit] xref What happens when soil pH is too high? @Zhe i know that $K_b$ of conjugate base is $K_a$ of acid but couldnot infer anything from this. How can I draw the following amines: butan-1-amine, pentan-2-amine, propan-1,2-diamine? KClO3 is Neutral. National Center for Biotechnology Information. Why do many companies reject expired SSL certificates as bugs in bug bounties?
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