Carbonic acid is a weak acid and potassium hydroxide is a strong base. K 2CO 3 is a reducing agent, K 2CO 3 is an oxidizing agent. Carbonic acid is a weak acid and potassium hydroxide is a strong base. What is the correct way to screw wall and ceiling drywalls? Potassium Carbonate can work as a base by creating potassium hydroxide by the break down of carbonate into carbon dioxide and water. 2) www.sigmaaldrich.com: Potassium carbonate (link), 3) Reich, H. J.; Rigby, J. H.; Handbook of Reagents for Organic Synthesis, Acidic and Basic Reagents. 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. 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) You need to ask yourself questions and then do problems to answer those questions. Potassium carbonate is formed by the reaction of carbonic acid and potassium hydroxide. It is a basic salt because koh is a strong base and h2co3 is a weak acid and both react to make k2co3. If you want to quickly find the word you want to search, use Ctrl + F, then type the word you want to search. He also shares personal stories and insights from his own journey as a scientist and researcher. Potassium carbonate is formed by the reaction of carbonic acid and potassium hydroxide. 0000014076 00000 n It is also called Carbonate of potash, or Dipotassium carbonate or Pearl ash. 0000001302 00000 n Classify these salts as acidic, basic, or neutral. Acid. Potassium carbonate (K2CO3) is a white salt, soluble in water (insoluble in ethanol) which forms a strongly alkaline solution. Articles that describe this calculator. Ka = Dissociation constant of acid. How do you get out of a corner when plotting yourself into a corner, Redoing the align environment with a specific formatting. 0000007819 00000 n This cookie is set by GDPR Cookie Consent plugin. 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). Why does CH3OH act as acid as well as a base? Can I tell police to wait and call a lawyer when served with a search warrant? Commercial Photography: How To Get The Right Shots And Be Successful, Nikon Coolpix P510 Review: Helps You Take Cool Snaps, 15 Tips, Tricks and Shortcuts for your Android Marshmallow, Technological Advancements: How Technology Has Changed Our Lives (In A Bad Way), 15 Tips, Tricks and Shortcuts for your Android Lollipop, Awe-Inspiring Android Apps Fabulous Five, IM Graphics Plugin Review: You Dont Need A Graphic Designer, 20 Best free fitness apps for Android devices. 0000002069 00000 n Is ch3cook an acid or base? It only takes a minute to sign up. These cookies track visitors across websites and collect information to provide customized ads. (V*C)acid = (V*C)base C= concentration and V = volume. Potassium carbonate is the inorganic compound with the formula K2CO3. MITs Alan , In 2020, as a response to the disruption caused by COVID-19, the College Board modified the AP exams so they were shorter, administered online, covered less material, and had a different format than previous tests. K2SO3 is basic or base. K2CO3 (aq) + H2SO4 (aq) K2SO4 (aq) + H2O (l) + CO2 (g) From the above equation 1mole of K2CO3 reacts with 1mole of H2SO4. A potassium salt that is the dipotassium salt of carbonic acid. Learn more about Stack Overflow the company, and our products. When k2co3 is added to water How will the pH change? As quickly as possible, identify the compounds below by type of acid or base. What happens when K2CO3 dissolves in water? Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Analytical cookies are used to understand how visitors interact with the website. Salts that produce H+ ions when dissolved in water making it acidic solutions are Acidic salts. These cookies will be stored in your browser only with your consent. Potassium carbonate is the inorganic compound with the formula K2CO3. These cookies ensure basic functionalities and security features of the website, anonymously. These starting materials are inexpensive This is done viabromination in chloroform, under thermal or photochemical means (4). We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. It is unstable and decomposes into water and carbon dioxide as shown below. NH4Cl is acidic salt in nature formed from the neutralization of strong acid (HCl) with a weak base (NH4OH). acetone. 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. The solute is assumed to be either weak acid or weak base where only one ion dissociates. Trisodium phosphate is an inorganic salt with a molecular formula of N a 3 P O 4 . 1. 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. Potassium carbonate (K2 CO3 )is a commonly used base in organic chemistry. Consider obtaining $K_{\mathrm{b}}$ and solving equilibrium from the perspective of base. 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)). Answer only. via the following equation: K2CO3 + 2H+ ==> CO2 + H2O + 2K+ The 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. 1. Is K2CO3 a pH? Potassium carbonate is the inorganic compound with the formula K2CO3. 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. 0000009865 00000 n So, Is NH4Cl an acid or base or neutral? Potassium Nitrate Sodium bicarbonate is a white solid that is crystalline but often appears as a fine powder. The cookie is used to store the user consent for the cookies in the category "Performance". The question is to find out the $\mathrm{pH}$ of $\pu{0.5 M}$ $\ce{K2CO3}$ solution. Why is K2CO3 basic? The cookies is used to store the user consent for the cookies in the category "Necessary". It is a white salt, which is soluble in water. After many, many years, you will have some intuition for the physics you studied. Nitric acid is an acid and potassium carbonate is a base, so this is an acid/base chemical reaction. #"CO"_3^"2-" + "R"_1"-OH" "HCO"_3^"-" + "R"_1"-O"^"-"#. Asking for help, clarification, or responding to other answers. xref The effect of loading alkaline earth metal oxides on sulfated alumina-zirconia (S/AZ), as a nanocatalyst in esterification of oleic acid (OA) and transesterification of waste cooking oil (WCO) was experimentally investigated. 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. 2KHCO 3 K 2 CO 3 +CO 2 +H 2 O2KHCO3K2CO3+CO2+H2O Applications of Potassium Bicarbonate. and CO3, isn't called carbonic acid, it is called carbonate. NaCN is a basic salt having a pH value of more than 7, made from the neutralization of a strong base(NaOH) and weak acid (HCN). OH-. What is an acid, base, neutral? This cookie is set by GDPR Cookie Consent plugin. This cookie is set by GDPR Cookie Consent plugin. These cookies will be stored in your browser only with your consent. It is commonly used to deprotonate moderately acidic protons such as phenols (pKa ~10) and 1,3-dicarbonyl compounds (pKa ~9-13). It is a carbonate salt and a potassium salt. Introduction. K2CO3 can accept 2. so twice as Avoid contact with skin and eyes. 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. . Example: Potassium carbonate (K2CO3) is a basic salt. HVMoFWq 'qLE JcRD*D)'Hf7|X=|Xt\cMaws'?n 'C%{1;hlvxa],5z:81\c5w(}|uY)imF+_1.ltIyk()U5vv-]&CYnUOQ.To9]/wTJ9WE1mTYHZA/-7 These cookies track visitors across websites and collect information to provide customized ads. How to handle a hobby that makes income in US, Doubling the cube, field extensions and minimal polynoms. PUGVIEW FETCH ERROR: 403 Forbidden National Center for Biotechnology Information 8600 Rockville Pike, Bethesda, MD, 20894 USA Contact Policies FOIA HHS Vulnerability Disclosure National Library of Medicine National Institutes of Health 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. We also use third-party cookies that help us analyze and understand how you use this website. It's water-soluble. Ill tell you the Acid or Base list below. Potassium Carbonate | K2CO3 - PubChem Apologies, we are having some trouble retrieving data from our servers. The cookie is used to store the user consent for the cookies in the category "Performance". To be a strong base, the substance needs to basically completely dissociate in an aqueous solution to give high pH. It is deliquescent, often appearing as a damp or wet solid.CHEBI:131526 potassium carbonate. Acid. \begin{align} An aqueous solution of KC2H3O2 will be basic. 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 . - Base for alkylations (including Benzyl Protections, SEM Protections, and Cbz Protections), - Base to neutralize acidic reaction mixtures prior to workup. rev2023.3.3.43278. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Given acid base reaction is. How do I align things in the following tabular environment? What is the role of K2CO3 in reaction? 2 Answers. It is a white salt, which is soluble in water. K2CO3 (Potassium carbonate) is a base. Whichever is stronger would decide the properties and character of the salt. Answer : K2CO3 ( POTASSIUM CARBONATE ) is base. https://www.thinglink.com/scene/636594447202648065 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). National Center for Biotechnology Information. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". $$\mathrm{pH} = \frac{\mathrm pK_\mathrm w + \mathrm pK_\mathrm a + \log c}{2}.$$. The first, titled Arturo Xuncax, is set in an Indian village in Guatemala. Conjugao Documents Dicionrio Dicionrio Colaborativo Gramtica Expressio Reverso Corporate. An aqueous solution of a stronger base and weak acid will acquire more property of basic rather than an acid. Explanation: Carbonate is made of one carbon and three oxygens . You also have the option to opt-out of these cookies. Lewis bases tend to be even stronger than the strong Arrhenius bases because their conjugate acids are so weak. These are produced by the reaction of strong acid and weak base. It is a white salt, which is soluble in water. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. Browse diverse articles and stories on k2co3 acid or base. So the mole . Tradues em contexto de "weak bases" en ingls-portugus da Reverso Context : In and of themselves, pH indicators are frequently weak acids or weak bases. What is meant by the competitive environment? pH is above 7. 0000000016 00000 n The information of k2co3 acid or base is constantly complemented and updated on echemi.com. %%EOF Making the calculations easy is the point. In laboratory chemistry, this is most often accomplished by the using potassium carbonate. I am unsure of which $\mathrm pK_\mathrm a$ I should consider. CO3^2- has the conjugate acid HCO3^-, which is a weak acid, therefore it is a weak base. The adolescent protagonists of the sequence, Enrique and Rosa, are Arturos son and , The payout that goes with the Nobel Prize is worth $1.2 million, and its often split two or three ways. It is a carbonate salt and a potassium salt. The fine, white powder remaining was the pearl ash. weak acid H2CO3. Potassium carbonate is mainly used in the production of soap and glass. 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. Which conjugate acid/base appears? 0000001170 00000 n 4 What is K2CO3 used for in organic chemistry? Potassium chromate is an inorganic compound with the formula K 2 CrO 4. FeCl 3 is an acid salt because Fe (OH) 3 is weak base and HCl is a strong acid. It is a basic salt because KOH is a strong base and H2CO3 is a weak acid and both react to make K2CO3. Pearl ash is hygroscopic, deliquescent powder white. 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. K A = 5.8 x . How can I draw the following amines: butan-1-amine, pentan-2-amine, propan-1,2-diamine? Page 15 Analytical cookies are used to understand how visitors interact with the website. By clicking Accept, you consent to the use of ALL the cookies. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Calculated pH values of common acids and bases for 1, 10, and 100 mmol/L (valid for standard conditions at 25, 1 atm; acidity constants are taken from here ): other reactions: Free software ( Example) Demo: Online pH-Calculator pH of Acids - Sorted by pH pH of Acids - Sorted by Formula pH of Bases - Sorted by pH Do NOT follow this link or you will be banned from the site! CO3-2 is the conjugate Find an answer to your question k2co3 is neutral salts,acidic , basic. $$\sqrt { (2\times10^ {-4})\times 0.5} = 0.010$$ so that solution is off by about 1 part in 50. Necessary cookies are absolutely essential for the website to function properly. Later, we extended the definition of an acid or a base using the more general definition proposed inAll rights reserved. It is a dipotassium salt of carbonic acid. Write down the actual (equilibrium) reaction that develops between carbonate ion and water when one proton is exchanged (only full-fledged strong acids or bases might exchange a second proton to any significant extent). considered an acid. However, you may visit "Cookie Settings" to provide a controlled consent. This cookie is set by GDPR Cookie Consent plugin. 28864 views All Brnsted-Lowry bases (proton acceptors), such as OH , H 2 O, and NH 3, are also electron-pair donors. 0000014310 00000 n What is N-(2,2,2-Trichloroethyl)carbonyl] Bisnor-(cis)-tilidine's functional group? Is K2CO3 Acidic Basic Neutral? pKa 37.1 lithium tetramethyl-piperidide (LiTMP) pK a35.7 lithium diisopropyl amide LDA pK 35 amide H 3COH pKa 15-16 methoxide H3C OH pK a 16 ethoxide H3C OH pKa 16.5 isopropoxide H 3C OH H 3C CH3 17 tert-butoxide pK a 9-10 amine pK a 10 carbonate The C2H3O2- is from a weak acid ( HC2H3O2 ), thus it is a basic ion. 0000003232 00000 n This website uses cookies to improve your experience while you navigate through the website. The cookies is used to store the user consent for the cookies in the category "Necessary". What is K2CO3 used for in organic chemistry? HCl; Mg(OH) 2 C 5 H 5 N; Solution. Making the calculations easy is the point. acetaminophen. HCl only has one acidic proton. But opting out of some of these cookies may affect your browsing experience. LiClO4. .mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-output .frac .den{vertical-align:sub}.mw-parser-output .sr-only{border:0;clip:rect(0,0,0,0);height:1px;margin:-1px;overflow:hidden;padding:0;position:absolute;width:1px}32H2O ("potash hydrate"). It is a basic salt because KOH is a strong base and H2CO3 is a weak acid and both react to make K2CO3. The nitrogen in C 5 H 5 N would act as a proton acceptor and therefore can be considered a base, but because it does not contain an . It presents a large capacity to absorb moisture. pH is less than 7. Identify each acid or base as strong or weak. While Arrhenius bases are used as aqueous solutions, the superbases deprotonate water, reacting with it completely. 2 Answers. 0000000916 00000 n K3PO4 is the salt of a weak acid and a strong base. It is a phosphate salt of sodium. what is. The pH is less than 7. The carbonate reacts with the alcohol to produce an alkoxide. It can be made as the product of potassium hydroxides absorbent reaction with carbon dioxide. According to solubility rules, it is soluble: These ions will go on to react with water, where one will produce OH- (giving a basic property) and one will produce H3O+ (to produce an acidic quality). The K+ is the cation of a strong base ( KOH ), thus it is a neutral ion and has no effect on the pH of the solution. K2SO3 is Base. The cookie is used to store the user consent for the cookies in the category "Other. $\ce{[OH^-]}={10^{-2}}$ Which corresponds to $\ce{pOH = 2}$ or $\ce{pH = 12}$. The K+ is the cation of a strong base ( KOH ), thus it is a neutral ion and has no effect on the pH of the solution. The carbonate can draw one hydrogen from two different water molecules. 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. Is this an exception to the rule that strong acids/bases always replace weak acids/bases? NH4Br. Potassium carbonate is an acceptable buffer and serves as a potassium supplement. It is odourless and tastes alkaline. You need to solve physics problems. Answer : KHCO3 ( Potassium bicarbonate ) is base What is an acid, base, neutral ? Is NaCN acidic basic or neutral? $$\ce{CO3^{2-} + H2O <=> OH- + HCO3-},\ K_{\mathrm{b}} = ?$$, @MaxW I edit my answer your comment makes the calculation easy. NH4Cl is acidic salt. 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. Potassium perchlorate is the inorganic salt with the chemical formula KClO4. If it does not dissociate 100%, it is a weak acid. These cookies ensure basic functionalities and security features of the website, anonymously. Strong base + strong acid = neutral salt Strong base + weak acid = basic salt Potassium carbonate is mainly used in the production of soap and glass. F}: Monoprotic Acid: Definition & Examples. Explanation: In the Bronsted-Lowry definition, bases are proton acceptors. A yellow crystalline solid is potassium chromate. Predicting pH of an acidic salt of an weak acid and weak base. 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. * actually, whoever wrote this is wrong. 0 0 Similar questions It may be 1% ionized or 99% ionized, but it is still classified as a weak acid. What functional groups are found in proteins? 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. It is an ionic salt of potassium ions K+ and nitrate ions NO3, and is therefore an alkali metal nitrate. Find the concentration of the HCl solution when mixed with 1.265g of ACES-K+. 0 its name is potassium carbonate and it is basic. Yes! ; Because Mg(OH) 2 is listed in Table 12.2 "Strong Acids and Bases", it is a strong base. Emoticon Emoticon. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. The aqueous solution of ammonium chloride is slightly acidic having a pH value range from 4.5 to 6. Definition of pearl ash : potassium carbonate sense a especially : an impure product obtained by partial purification of potash from wood ashes. The cookie is used to store the user consent for the cookies in the category "Performance". The reaction is shown below. Chemistry Stack Exchange is a question and answer site for scientists, academics, teachers, and students in the field of chemistry. What functional groups are present in carbohydrates? As a strong base, sodium hydroxide neutralizes gastric acid thereby acting as an antacid. 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. Potassium carbonate is relatively non-toxic. History. KOH is a strong base, and we know that strong bases dissociate (ionize) 100% in water. Garden-variety cinnamic acids are easily converted to the required 2,3-dibromopropionic acids. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Share Improve this answer Potassium carbonate (K2CO3) is a white salt, soluble in water (insoluble in ethanol) which forms a strongly alkaline solution. Necessary cookies are absolutely essential for the website to function properly. Therefore, the resulting salt formed by their reaction will be basic salt. Sodium Carbonate is the disodium salt of carbonic acid with alkalinizing property. The applications . \ce{HCO3- + H2O &<=> H3O+ + CO3^2-} & K_\mathrm a &= \pu{5*10^{-11}}\\ The E2 trans elimination of HBr is mediated with (mild) potassium carbonate. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Is K2CO3 and acid or base? The main hazard is the environmental danger. It is a white salt, which is soluble in water and forms a strongly alkaline solution. When dissolved in water, sodium carbonate forms carbonic acid and sodium hydroxide. 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. How did the Marshall Plan help stabilize Europe after World War II? Potassium Carbonate can work as a base by creating potassium hydroxide by the break down of carbonate into carbon dioxide and water. It does not store any personal data. How to calculate the pH of the neutralisation of HCN with excess of KOH? acetone. If a law is new but its interpretation is vague, can the courts directly ask the drafters the intent and official interpretation of their law? 15) K2CO3 is salt of a) Strong acid strong base b) Weak acid weak base A Strong base weak acid d) Weak acid weak base Solution Verified by Toppr Was this answer helpful? The cookie is used to store the user consent for the cookies in the category "Analytics". 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. The use of K2CO3, which is because Na2CO3 was harder or stronger than K2CO3. K2CO3 (Potassium carbonate) is a base. LIST ACID. MathJax reference. Connect and share knowledge within a single location that is structured and easy to search. By clicking Accept All, you consent to the use of ALL the cookies. Learn about monoprotic acid. Acidic Basic Neutral NH4ClO4 K2CO3 KCl LiNO3 NaF This problem has been solved! In reality I'd be surprised if the "true" value was within 5% of the calculation. Ill tell you the Acid or Base or Neutral list below. 21K views 2 years ago 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. $\ce {H2CO3/HCO3-}$ or $\ce {HCO3-/CO3^{2-}}$? A buffer is a mixture of a weak acid and its conjugate base, or a weak base and its conjugate acid. The information of k2co3 acid or base is constantly complemented and updated on echemi.com. Ph(RS. Since $\ce{K2CO3}$ is a salt of weak acid and strong base hence its pH is given by The correct answer is that NaClO, K2CO3, and NaF will form basic soltions. Potassium Carbonate can work as a base by creating potassium hydroxide by the break down of carbonate into carbon dioxide and water. 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 ). 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. Remember, the weaker the acid, the stronger the conjugate base: Potassium bicarbonate is a white, crystalline, slightly alkaline and salty substance. Wittenberg is a nationally ranked liberal arts institution with a particular strength in the sciences. 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.
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