Oxygen in the air rapidly re-oxidises chromium(II) to chromium(III). I know that chromium(III) Thanks for contributing an answer to Chemistry Stack Exchange! Visitors can also do a reverse look up and match the elastomer to the chemical. 6H 2 O purum p.a., 98.1%) from Sigma Aldrich CAS 1006012-5), WebChloride Hydroxide Nitrate Sulfide Sulfate Phosphate Sodium Copper (I) Ammonium Calcium Ferrous [Iron (II)] Ferric [Iron (III)] Aluminum Priyanka Gandhi Cl- OH- NO3- S2- SO42- PO43- Na+ NaCl Sodium chloride NaOH Sodium hydroxide NaNO3 Sodium Nitrate Na2S Sodium Sulfide Na2SO4 Sodium Sulfate Na3PO4 Sodium phosphate Cu+ CuCl These salts are usually either violet or green solids that are soluble in water. Bitte beachten Sie, dass die Deaktivierung von Cookies zu Strungen im normalen Web-Betrieb fhren kann. chromium iii sulfite + sulfuric acid okchemvip.com, or notifications@edm-okchem.com. In the presence of chloride ions (for example with chromium(III) chloride), the most commonly observed color is green. Charlotte location: Basic-chromium-sulfate (BCS) is a chrome chemical mostly required as main tanning agent in chrome tanning process in leather industry and also to synthesize other chromic compounds. WebThe kinetics of Ce(III) oxidation with ozone in 0.1-3.2 M H_2SO_4 solutions was studied by spectrophotometry. Sulfuric acid is H2SO4. Its chemical formula is Cr2 3. If you add extra hydrogen ions to this, the equilibrium shifts to the right, which is consistent with Le Chatelier's Principle. Chromium (III) sulfate is formed by a double displacement reaction between chromium chloride and sulphuric acid. That means that you don't get unwanted side reactions with the potassium dichromate(VI) soution. A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. Chrome plating can be used to give the steel a highly polished finish. How to calculate the Molality of a Solution? to determine whether or not the following compounds or soluble or insoluble you need to review table 8.1. chromium You may remember that that is done by adding acid. Why do academics stay as adjuncts for years rather than move around? As soon as you add as much as one drop too much, the solution becomes pink - and you know you have reached the end point. Verified suppliers Individual deals Start placing orders now! What are the chemical reactions that have H2O (water) as product? In this video we'll write the correct formula for Chromium (III) sulfite : Cr(SO3)3.To write the formula for Chromium (III) sulfite we'll use the Periodic Ta. Enclose the polyatomic ions in parenthesis . This substance is not a Related Substance of any other substance. 42% or 50% may be obtained by the addition of sodium carbonate, these are often used in combination with sodium formate. WebWrite formulas for: a) Chromium (III) phosphide b) Tellurium dioxide c) Beryllium sulfite d) Acetic acid Write a balanced equation for: 6. the combustion ( burning ) of C 3 H 7 OH to give carbon dioxide and water. Chromium(III) Sulfate Market 2021-2027 presents detailed competitive analysis including the market Share, Size, Future scope. WebWe report on the separation and recovery of scandium(III) from sulfate solutions using solvent extraction and a membrane transport system utilizing newly synthesized amic acid extractants. Question 3: Why does Chromium Sulfate III turn green when heated? WebAbout KOL ; Learn more about our technology and how more and more universities, research organizations, and companies in all industries are using our data to lower their costs. WebSulfuric acid, chromium(3+) salt (3:2), hydrate for sale; Sulfuric acid, cobalt(2+) salt (1:1), monohydrate for sale; Sulfuric acid, erbium(3+) salt (3:2) for sale; Sulfuric acid, iron(2+) This article . Lets learn the formula of chromium(III) sulfate here. Sulfuric acid When these solids dissolve, then the ion remains present as the hexaaqua ion. Sulfuric acid,chromium(3+) salt (3:2),hydrate;Chromium sulfate (2:3) hydrate;Chromium(3+) sesquisulfate hydrate. Covington, A. D.; Lampard, G. S.; Menderes, O.; Chadwick, A. V.; Rafeletos, G.; O'Brien, P. "Extended X-ray absorption fine structure studies of the role of chromium in leather tanning" Polyhedron 2001, volume 20, 461466. We review their content and use your Hier knnen Sie Parameter ndern, die sich direkt auf Ihr Surferlebnis auf dieser Webseite auswirken. Catalysts have no effect on equilibrium situations. Two chromium ions and three sulfate ions are required to balance the six valence bonds. Chromium react with sulfuric acid to produce chromium(III) sulfate, sulfur dioxide and water. Chromium(III) sulfate (2 Therefore, to obtain the formula for chromium (III) sulfate, exchange the charges of ions Cr+3 and SO4-2 to obtain Cr2 and (SO4)3. Chem. Now you oxidize this solution by warming it with hydrogen peroxide solution. CHROMIUM (III) SULFATE + SULFURIC ACID --> | Chegg.com The hexaaquachromium(III) ion is a "difficult to describe" violet-blue-grey color. What is the product of the reaction of carbon with sulfuric acid? CAS No.10101-53-8; Molecular weight500.27; AliasesChromium(III) sulfate hexahydrate; Sulfuric acid standard CAS Number: 15244-38-9. Orange crystals of potassium dichromate are formed on cooling. This is done by boiling the solution. Media in category "Chromium(III) sulfate" The following 6 files are in this category, out of 6 total. Asking for help, clarification, or responding to other answers. This equation does not have any specific information about phenomenon. It is a reasonably strong oxidising agent without being so powerful that it takes the whole of the organic molecule to pieces! The formula for chromium (III) sulfate is Cr2(SO4)3. That means that it can be made up to give a stable solution of accurately known concentration. It is a sulfur oxo anion, a sulfur oxide, an inorganic anion, and a divalent inorganic anion. 6H 2 O purum p.a., 98.1%) from Sigma Aldrich CAS 1006012-5), Is there a solution to add special characters from software and how to do it. When chromium(III) sulfate reacts with cesium phosphate it gives Chromium phosphate and cesium sulfate, which is a double displacement reaction. Chromium(III) sulfate is a compound of chromium and sulfate in which the ratio of chromium (in the +3 oxidation state) to sulfate is 2:3 It contains a chromium(3+). Upon heating, it turns from blue to green. Does a reaction occur when aqueous solutions of chromium (III) sulfate and lead (II) nitrate are combined? Cr2S3 + H2SO4 = Cr2(SO4)3 + S + SO2 + H2O - ChemiDay.com 6H2O + Zn -> Cr(H2O)6Cl2 + ZnCl + H2}?$$. This is the normal oxidation number of (SO4) = -2. Chromium (III)sulfate can also be obtained by treating chromium hydroxide (III) with dilute sulfuric acid. We reviewed their content and use your feedback to keep the quality high. Do roots of these polynomials approach the negative of the Euler-Mascheroni constant? WebThe kinetics of Ce(III) oxidation with ozone in 0.1-3.2 M H_2SO_4 solutions was studied by spectrophotometry. What are the chemical and physical characteristic of H2O (Chromium(III) sulfide)? The ion reacts with water molecules in the solution. WebScandium (III) was completely separated thermodynamically from nickel (II), aluminum (III), cobalt (II), manganese (II), chromium (III), calcium (II), and magnesium (II), and partially separated from iron (III) kinetically using a PIM containing D2EHAF as a carrier. Chromium sulfate (III) usually refers to an inorganic compound of formula Cr2(SO4)3. x(H2O), where the range of x is 0-18. Chromium Most chromates are at best only slightly soluble; many we would count as insoluble. (III)(chromium(III)sulfate)Cr 2 (SO 4) 3 [Cr(H 2 O) 6] 3+ (III) The results in Figure 2 show that the Cr 3+ could be oxidized to CrO 4 2 effectively in an alkaline medium and the dosage of H 2 O 2 had a significant effect on the oxidation of Cr 3+.The oxidation efficiency was linearly increasing with the increase of VR. \[\ce{Cr2O7^{2-} + 8H^{+} + 3CH3CH2OH \rightarrow 2Cr^{3+} + 7H2O + 3CH3CHO} \label{ox1}\], If the oxidizing agent is in excess, and you do not allow the product to escape -e.g., by heating the mixture under, chromium(III) potassium sulfate dodecahydrate. Websardine lake fishing report; ulrich beck risk society ppt; nascar pinty's series cars for sale; how to buy pallets from victoria secret Potassium dichromate will react with any excess hydrogen peroxide to give initially an unstable deep blue solution and it eventually gives the original chromium(III) ions again! Fordern Sie jetzt ein Angebot an The solution is boiled until no more bubbles of oxygen are produced. WebEU. Tai , and Jean. WebChromium (III) Sulfate in Acid Sulfate Solutions Norman. Consider the reaction that occurs when aqueous solutions of barium chloride and chromium(III) sulfate are combined. x is between 0 and 18. There are several such indicators - such as diphenylamine sulfonate. Used for dyeing textile dyes, especially khaki fabrics. III Chromium sulfuric acid? - Answers Webchromium iii sulfite + sulfuric acid. Some of the following links exit EPA's site The oxygen written in square brackets just means "oxygen from an oxidizing agent". of moles in 30 g of Cr2(SO4)3 = 30/392.6 = 0.07 mol, 1 mol of Cr2(SO4)3 contains = 3 x 6.023 x 1023 sulfate ions, So, No. xH2O. Or if any of the following reactant substances Cr2(SO4)3 (Chromic sulfate . Additionally, ill-defined but commercially important "basic chromium sulfates" are known. Soluble in hot concentrated sulfuric acid. The resulting solutions contain moderate to high concentrations of hydrogen ions and have pH's of less than 7.0. United States Environmental Protection Agency, Some of the following links exit EPA's site, Program and regulatory information about this substance, including links to EPA applications/systems, statues/regulations, or other sources that track or regulate this substance, Determination of Reportable Quantities for Hazardous Substances, Single Substance Request (CDX Query Function) (REST and SOAP), Substance List Request (CDX Solicit Function) (SOAP), Add Substance to List Request (CDX Submit Function) (SOAP), [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O. Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module. In this case, you just need to observe to see if product substance Na2CrO4 (Sodium chromate; Sodium chromate(VI); Chromic acid disodium salt), appearing at the end of the reaction. . It serves as an alternative to using potassium manganate(VII) solution. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. what is the biggest finite well defined number? What strategies can be used to maximize the impact of a press release? trioxide,so3. Chromium III hydroxide has a chemical formula of Cr (OH)3. Therefore, the . Income form ads help us maintain content with highest quality Chromium is used in the quenching of steel, the production of stainless steel (named because it does not rust), and the production of various alloys. (a) A 0.5404-g sample of alum is heated to drive off the waters of hydration, and the resulting KAI(SO 4) 2 weighs 0.2941 g. Determine the value of and the complete formula of alum. Please don't use it anywhere. Use MathJax to format equations. Cr(OH)3 + 3 H2SO4 --> Cr2(SO4)3 + 6H2O. When all the ethanol has been added, the solution is left over-night, preferably in a refrigerator, to crystallize. The equilibrium reaction at the heart of the interconversion is: \[ \ce{2CrO_4^{2-} + 2H^+ <=> Cr_2O_7^{2-} + H_2O}\]. Chromium (iii) sulphate Basic chromiumsulfate ; Basic chromic sulfate Chromedol This report further provides forecasts by performing comprehensive market analysis. Who are the experts? Question 4: Calculate the number of sulfate ions in 39.2 g of chromium sulfate. Contact Us to ask a question, provide feedback, or report a problem. Expert Answer. 2. pay attention to the charge on the cation, this case chromium (III). Chromium Basic chromium sulfate is produced from chromate salts by reduction with sulfur dioxide, although other methods exist. Moreover, this market study focuses on market classification into . Motor vehicle exhaust may contain chromium. I would personally write, Zn and acid over the arrow, [Cr(H2O)6]^3+ -> [Cr(H2O)6]^2+, because nobody knows the exact mechanism. Unfortunately there is a problem here. All that is left is to convert the yellow potassium chromate(VI) solution into orange potassium dichromate(VI) solution. xH2O). Potassium dichromate(VI) is often used to estimate the concentration of iron(II) ions in solution. What is error code E01-5 on Toyota forklift. Apart from the carbon dioxide, there is nothing new in this reaction: An excess of sodium hydroxide solution is added to a solution of the hexaaquachromium(III) ions to produce a solution of green hexahydroxochromate(III) ions. Solubility in water, . But you added acid, didn't you? An excess of ethanol is added slowly with stirring so that the temperature doesn't rise too much. Show the acid over the arrow. Hinweis: Verwenden Sie Ihre Maus (Scrollrad oder Ziehen), um das Molekl zu vergrern oder zu verschieben. If you add hydroxide ions, these react with the hydrogen ions. I don't want to support website (close) - :(. WebChromium(III) compound Sulfite. III 1: IUPAC. It is an ionic compound where Chromium (Cr) is the metal with Cr+3 cation and sulfate is the SO4-2 chromium iii sulfite + sulfuric acid It is a colored compound. Molar mass of chromium(iii) sulfate is 392.1800 g/mol Compound name is chromium(iii) sulfate Chromium is chiefly found as the chromium (III) form in nature, and rarely as chromium (VI) compounds. About Chromium(III) sulfate; Chromium(III) sulfate weighs 3.012 gram per cubic centimeter or 3 012 kilogram per cubic meter, i.e. Chat now for more business. exemptions-art-4-restrictions-rohs - ECHA Sulfate is a sulfur oxoanion obtained by deprotonating both OH groups of sulfuric acid. Wenn Sie mchten, knnen Sie die Liste der Cookie-Typenansehen. The complex ion is acting as an acid by donating a hydrogen ion to water molecules in the solution. Jump to main content Jump to site nav Home Sulfuric acid is H2SO4. Dichromate(VI) ions (for example, in potassium dichromate(VI) solution) can be reduced to chromium(III) ions and then to chromium(II) ions using zinc and either dilute sulfuric acid or hydrochloric acid. Chemical reaction. Question 2: What kind of compound is chromium (III) sulfate? What happens is that one or more of the ligand water molecules get replaced by a negative ion in the solution - typically sulfate or chloride. WebThe term chromic acid is usually used for a mixture made by adding concentrated sulfuric acid to a dichromate, which may contain a variety of compounds, including solid chromium trioxide.This kind of chromic acid may be used as a cleaning mixture for glass. [3], The most useful source of chromium(III) sulfate are the Cr(III) wastes from the chromate oxidation of various organic compounds. Sulfuric acid - diluted solution. These salts are usually either violet or green solids that are soluble in water. What is the formula of chromium II sulfite? Articles of ammonium chromium(iii) sulfate 12-water are included as well. sulfate density of chromium(III) sulfate is equal to 3 012 kg/m; at 20C (68F or 293.15K) at standard atmospheric pressure.In Imperial or US customary measurement system, the density is equal to 188.033 pound per cubic foot [lb/ft], or 1.741 ounce per cubic inch [oz . The solution is then cooled by standing it in ice. If an internal link led you here, you may wish to change the link to point directly to the intended article. Hydrogen is produced from a side reaction between the zinc and acid. Gram molecular mass of Cr2(SO4)3 = 392.6 g, No. Follow Up: struct sockaddr storage initialization by network format-string. This table shows how each list refers to the substance. Chemsrc provides ammonium chromium(iii) sulfate 12-water(CAS#:10022-47-6) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Also indicate the type. Dies ist das erweiterte Einstellungssystem fr unsere eigenen Cookies und Cookies von Drittanbietern. Conover, NC 28613 H2SO4 + KOH --> H2O + KHSO4. The aim of my experiment was to make a Cr (II) aquacomplex in situ, and for that I Carolina Age Management Institute Please be alert of other emails sent to you in the name of OKCHEM. Transcribed Image Text. The reaction follows the first-order rate law with respect to each reactant. You can just simply write the ionic equation involving Cr(III), Zn, resulting in Cr(II) and Zn(II). Name: Chromium(III) Sulfite. The solution is heated further to concentrate it, and then concentrated ethanoic acid is added to acidify it. B. besuchte Seiten) erstellt wurde, Werbung zukommen zu lassen, die Ihren Prferenzen entspricht. WebQuestion: CHROMIUM (III) SULFATE + SULFURIC ACID --> CHROMIUM (III) SULFATE + SULFURIC ACID --> Expert Answer. Cr2S3 (Chromium(III) sulfide), disappearing. Chromium(III) sulfate hydrate 10101-53-8 Suppliers,provide Chromium(III) sulfate hydrate 10101-53-8 product and the products related with China (Mainland) Chromium(III) sulfate hydrate 10101-53-8 Hebei Zhuangkai Biotechnology Co.,Ltd China (Mainland) Welcome to LookChem.com Sign In|Join Free. 3. During electroplating it is necessart to add more chromoium (iii). Chemistry of Chromium - Chemistry LibreTexts Molecular Weight 392.18 (anhydrous basis). It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. Cr has no square brackets, indicating that it is not a polyatomic ion. Solved please answer them all if u accept. i will 100% | Chegg.com Chromium(III) sulfate hexahydrate That is, sets equivalent to a proper subset via an all-structure-preserving bijection. of Sulfate ions in 0.07 mol of Cr2(SO4)3 will be= 0.07 x 3 x 6.023 x 1023. Your current equation has incorrect formula of zinc salt. Exemptions from Art. A hydrogen ion is lost from one of the ligand water molecules: \[\ce{Cr(H2O)_6^{3+} + H2O <=> Cr(H2O)5(OH)^{2+} + H3O^{+}}\]. Your concept is right and I am glad nobody taught you the concept of nascent hydrogen. Most important commercially is basic chromium sulfate, which is thought to be [Cr2(H2O)6(OH)4]SO4 (CAS#39380-78-4). { Chemistry_of_Chromium : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Potassium_Chromium_Sulfate : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, { Chemistry_of_Chromium : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Chemistry_of_Molybdenum : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Chemistry_of_Seaborgium : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()", Chemistry_of_Tungsten : "property get [Map MindTouch.Deki.Logic.ExtensionProcessorQueryProvider+<>c__DisplayClass228_0.b__1]()" }, [ "article:topic", "reduction", "complex ion", "ligand", "ligand exchange", "authorname:clarkj", "Hexaaqua Ions", "chromium", "chrome yellow paint", "showtoc:no", "hexaaquachromium", "license:ccbync", "licenseversion:40" ], https://chem.libretexts.org/@app/auth/3/login?returnto=https%3A%2F%2Fchem.libretexts.org%2FBookshelves%2FInorganic_Chemistry%2FSupplemental_Modules_and_Websites_(Inorganic_Chemistry)%2FDescriptive_Chemistry%2FElements_Organized_by_Block%2F3_d-Block_Elements%2FGroup_06%253A_Transition_Metals%2FChemistry_of_Chromium%2FChemistry_of_Chromium, \( \newcommand{\vecs}[1]{\overset { \scriptstyle \rightharpoonup} {\mathbf{#1}}}\) \( \newcommand{\vecd}[1]{\overset{-\!-\!\rightharpoonup}{\vphantom{a}\smash{#1}}} \)\(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\) \(\newcommand{\id}{\mathrm{id}}\) \( \newcommand{\Span}{\mathrm{span}}\) \( \newcommand{\kernel}{\mathrm{null}\,}\) \( \newcommand{\range}{\mathrm{range}\,}\) \( \newcommand{\RealPart}{\mathrm{Re}}\) \( \newcommand{\ImaginaryPart}{\mathrm{Im}}\) \( \newcommand{\Argument}{\mathrm{Arg}}\) \( \newcommand{\norm}[1]{\| #1 \|}\) \( \newcommand{\inner}[2]{\langle #1, #2 \rangle}\) \( \newcommand{\Span}{\mathrm{span}}\)\(\newcommand{\AA}{\unicode[.8,0]{x212B}}\), Reactions of chromium(III) ions in solution, Ligand exchange reactions involving chloride or sulfate ions, Replacement of the water by chloride ions, Reactions of hexaaquachromium(III) ions with hydroxide ions, Reactions of hexaaquachromium(III) ions with ammonia solution, Reactions of hexaaquachromium(III) ions with carbonate ions, The oxidation of chromium(III) to chromium(VI), The chromate(VI)-dichromate(VI) equilibrium, The reduction of dichromate(VI) ions with zinc and an acid, Using potassium dichromate(VI) as an oxidizing agent in organic chemistry, Using this same reaction to make chrome alum crystals, Using potassium dichromate(VI) as an oxidising agent in titrations, Testing for chromate(VI) ions in solution, Testing by adding barium chloride (or nitrate) solution, Testing by adding lead(II) nitrate solution, status page at https://status.libretexts.org. Hydrogen peroxide decomposes on heating to give water and oxygen. Sulfuric acid - concentrated solution. 4(1) Restrictions (Annexes III & IV), Directive 2011/65/EU (RoHS), as amended by Directive (EU) 2022/1632, OJ L 245, 22 September 2022 . Here, in this article, we shall be discussing more about the Chromium (III) Sulfate formula along with its chemical . We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. Chromium(III) sulfide ; Identifiers ; CAS Number 188.03302 pounds [lbs] of Chromium (III) sulfate fit into 1 cubic foot. Weitere Informationen finden Sie in unserer Cookie-Richtlinie. For laboratory glassware: mixture of sulfuric acid and chromium Chromium III Nitrate Formula - Structure, Properties, Uses, Sample Questions, Chromium III Chloride Formula - Structure, Properties, Uses, Sample Questions, Chromium (VI) Oxide Formula - Structure, Properties, Uses, Sample Questions, Potassium Sulfate Formula - Structure, Properties, Uses, Sample Questions, Magnesium Sulfate Formula - Structure, Properties, Uses, Sample Questions, Strontium Sulfate Formula - Structure, Properties, Uses, Sample Questions, Copper Sulfate Formula - Structure, Properties, Uses, Sample Questions, Barium Sulfate Formula - Structure, Properties, Uses, Sample Questions, Nickel Sulfate Formula - Structure, Properties, Uses, Sample Questions, Hydrogen Sulfate Formula - Structure, Properties, Uses, Sample Questions. Answer Fordern Sie jetzt ein Angebot an WebChromium(III) sulfateusually refers to the inorganic compoundswith the formulaCr2(SO4)3.x(H2O), where x can range from 0 to 18. WebSulfuric acid, lanthanum(3+) salt (3:2) bei CymitQuimica ab 30,0 kaufen Chromium Chromium (III) sulfate [Wikimedia] Oxidation states of chromium. Legal. We assume you are converting between grams Chromium (III) Sulfate and mole. Alias: Chromic Sulfite. 3C2H5OH + 2 K2Cr2O7 + 8H2SO4 2Cr(SO4)3 + 3CH3COOH + 2H2SO4 + 11H2O, Cr2(SO4)3 + 2Cs3PO4 2CrPO4 + 3Cs2SO4, K2SO4 + Cr2(SO4)3 + 24H2O 2KCr(SO4)2 . This equation does not have any specific information about phenomenon. More information about Chromium(III) sulfate (Cr2(SO4)3).
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