If you have a polyatomic ion, use the Common Ion table to find the formula and charge (see https://youtu.be/N4N1Njh7nCo).3. On this Wikipedia the language links are at the top of the page across from the article title. Fe(OH)2. Name: Date: Write the chemical formula of the compound 1. ammonium sulfide 26. nickel (II) iodide 2. sodium nitrate 27. manganese dioxide 3. copper (II) bromide 28. lead (II) chlorite 4. aluminum sulfate 29. hydrogen iodide 5. potassium nitrate 30. iron (II) hydrogen sulfite 6. iron (II) carbonate 31. magnesium nitrate 7. lead (II) phosphate 32. Calculate the molecular weight of a chemical compound Enter a chemical formula: Browse the list of common chemical compounds. The positive charge (+2) of the iron (ii) ions are balanced by the negative charge of the chromate ions as shown mathematically as follows; +2 + (-2) = 0; i.e. GitHub export from English Wikipedia. The chemical formula for Iron (II) Chromate would be FeCrO4. chromate CrO 4 2-dichromate Cr 2 O 7 2-oxide O2-oxalate C 2 O 4 2- silicate SiO 3 2-sulfate SO 4 2- . Some hydrates that occur naturally are monohydrate and tetrahydrate. The reduction of Cr(VI) in the absence of sulfate was not associated with growth. [1] It is also used as a catalyst in the synthesis of hydrogen (H2) from the reaction between carbon monoxide and water vapor. Calculate the molar solubility of yttrium iodate Y (IO3)3 Ksp=1.121010 when dissolved in a 0.0500M solution of yttrium nitrate Y (NO3)3. In molecular formulae, the elements are denoted by their respective symbols (as in the periodic table) and the number of atoms of each element in the molecule is written in subscript. Lead (II) Nitrate. If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. The recent diagnostic campaign on the surrealist artwork Perch le vittime vincano (For the victims to win) (1974-75) by the artist Roberto Sebastian Matta allowed us to characterize the original painting . This is in line with the idea that a compound carries no charge. 2- chromate NO 2 - nitrite 2Cr 2O 7 - . During sexual excitement, which of these structures fills with blood and causes the vaginal opening to narrow? If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. 55.845*2 + (51.9961 + 15.9994*4)*3. Name the cation first (specifying the . What is the formula of tin (ll) chromate? To write the formula for an ionic compound, the charges over the anionic and the cationic parts are crossed over in subscript. The molecular or chemical formula of Iron (II) sulfate is FeSO 4. Your Mobile number and Email id will not be published. A) 1+ B) 3+ C) 2+ D) 2- 3) The formula for dinitrogen trioxide is A) (NO3)2 B) N(OH)3. A Computer Science portal for geeks. Note that all formulas are case-sensitive. A) Fe3P2 B) Fe3(PO4)2 C) Fe2PO4 D) Fe2P 2) What is the charge on the Cr in the ionic compound Cr2O3? 3. The reactants contain a t Note: yttrium iodate is composed of the iodate ion IO3. The chemical formula for Iron(II) Chromate would be FeCrO4. Li 2 HPO 4. Screen capture done with Camtasia Studio 8.0 1) What is the chemical formula for iron(II) phosphate? Write the formula for each of the following compounds that contain polyatomic ions. It also can be formed by the oxidation by air of iron and chromium oxides in a basic environment: This inorganic compoundrelated article is a stub. Pb(NO3)2. . window.__mirage2 = {petok:"3y0iYk9_pN_17trSHN5n129JMl2SHpTHkUD.g8Jzzc8-31536000-0"}; Is the singer Avant and R Kelly brothers? Find another reaction. Chromium iron oxide | CrFeO3 | CID 166600 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities . What is the mass of 7.28 mol of copper (II) nitrate. It acts as a reducing agent. D) 1 mole of nitrogen reacts with 3 moles of hydrogen to give 2 moles of ammonia. A) Fe3P2 B) Fe3(PO4)2 C) Fe2PO4 D) Fe2P 2) What is the charge on the Cr in the ionic compound Cr2O3? The chemical. For example, the overall chemical equation for the reaction between silver fluoride and ammonium dichromate is as follows: 2AgF(aq) + (NH4)2Cr2O7(aq) Ag2Cr2O7(s) + 2NH4F(aq) The complete ionic equation for this reaction is as follows: 2Ag + (aq) + 2F (aq) + 2NH + 4 (aq) + Cr 2O2 7 (aq) Ag 2Cr 2O 7(s) + 2NH + 4 (aq) + 2F (aq) 7) What is the molar mass of aspartic acid, C404H7N? The positive ion (cation) is written first in the name; the negative ion (anion) is written second in the name. Iron(II) chromite is an inorganic compound with the chemical formula FeCr2O4. Discovery [ edit] Iron (III) chromate was discovered by Samuel Hibbert-Ware in 1817 while visiting Shetland. Except where otherwise noted, data are given for materials in their, https://en.wikipedia.org/w/index.php?title=Iron(II)_chromite&oldid=1097984898, 2,190 to 2,270C (3,970 to 4,120F; 2,460 to 2,540K), This page was last edited on 13 July 2022, at 17:08. the proposed formula for the compound is Ca 0.34 Cr 0.7735 (PO 4). The charge is the Roman Numeral in parentheses.2. We use the most common isotopes. When iron (ii) ions and chromate ions combine to form a compound, each ion will contribute a mole of ion towards the formation of the compound. Chat now for more business. So, only iron (II and III) phosphate and potassium chloride forms from the reaction. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100. FeI2. An iron-chromium compound, prepared from chromium iron ore (FeCr2O4). Thus, direct evidence of . Add subscripts (if necessary) so the charge for the entire compound is zero.5. famous shia personalities in pakistan pat bonham net worth. Nitrogen (N), phosphorous (P), and potassium (K) are main nutrients in plant fertilizers. Iron(II) sulfate formula, also known as Ferrous Sulfate formula or Green vitriol formula is discussed in this article. Ferrous Dichromate. The chemical formula for Iron (II) Chloride ( ferrous chloride) is FeCl2. In this video we'll write the correct formula for Iron (II) chromate (FeCrO4). Iron (II) sulfate is a crystalline solid either greenish or yellow-brown. //]]>. It is dangerous to the environment and quick measures should be taken to stop it. Rule 2. The reason is that the molar mass of the substance affects the conversion. A Computer Science portal for geeks. Uses [ edit] Chromite, a FeCr2O4 containing mineral Lithium Phosphate. In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together. What is error code E01-5 on Toyota forklift. It is created by the sintering of chromium(III) oxide and iron(II) oxide at 1600 C. In this video we'll write the correct formula for Iron (III) dichromate : Fe2 (Cr2O7)3. Chemical formulas can be quite simple sometimes as H (Hydrogen), or it can take a rather complicated form, such as CH 3 CH 2 OH (ethanol). There are 3 positive charges on the right-hand side, but only 2 on the left. When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. Iron(II) carbonate FeCO 3 3.13 10-11 8-118 Section 8.indb 118 4/30/05 8:47:46 AM. Iron(II) Dichromate FeCr2O7 Molar Mass, Molecular Weight. Lead (II) Hydroxide. The ions combined to form a compound are NH4+ and P3-. Preparation [ edit] It is created by the sintering of chromium (III) oxide and iron (II) oxide at 1600 C. noble gas. What is the reflection of the story of princess urduja? B) 1 atom of nitrogen reacts with 3 atoms of hydrogen to give 2 atoms of ammonia. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. You can help Wikipedia by expanding it. Iron (II) Chromate molecular weight Error: Iron (II) Chromate is unknown. There must be some specialist use Answer link. The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. This site explains how to find molar mass. Use the crisscross method to check your work.Notes:- Don't write the subscript '1'.- If you use the criss-cross method and end up with something like Ca2S2 you'll need to reduce the subscripts to Ca1S1 which we write CaS.- It is possible to have two polyatomic ions such as NH4NO3. When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. The conservation of contemporary art often offers unique occasions to study complex multi-material artworks and understand their creative process and esteem degradation distress. For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass. a and b represent coefficients used to balance the equation Next the iron half-reaction is considered. Required fields are marked *. 2 Iron(II) chloride or ferrous chloride 2. It discusses a range of topics including hematopoietic system impact, reproductive system impact, inorganic compounds, haloge-nated compounds . UNIT 6 - REDOX REACTIONS 6 The oxidation number of an atom is the charge that would exist on an individual atom if the bonding were completely ionic In simple ions, the oxidation number of the atom is the charge on the ion: - Na+, K+, H+ all have an oxidation number of +1 - Mg2+, Ca2+, Pb2+ all have an oxidation number of +2 - Cl-, Br-, I . The charge is the Roman Numeral in parentheses.2. For these equations: A and B represent different ions and solids. This means the total charge of the positive atoms is equal to the charge of the negative atoms. Li 2 O 2. When the formula unit contains two or more of the same polyatomic ion, that ion is written within parentheses and a subscript is written outside the parentheses to indicate the number of polyatomic ions. Phosphate is PO4 and Net cha. Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance. What is the formula for compound formed by Iron ( II ) ions and chromate ions? 1 Answer anor277 Apr 30, 2017 #SnCrO_4# Explanation: And thus #"stannous chromate"# is composed of #Sn^(2+)# and #CrO_4^(2-)# ions in equal quantities. or view the list of known compounds. Experiments with [3Fe-4S]-ferredoxin II from D. gigas showed that nonheme [Fe-S] clusters with . What is the labour of cable stayed bridges? Be sure to enclose the polyatomic ion in parentheses if more than one such ion is needed. C) N2O3. A Computer Science portal for geeks. Iron (II) Iodide. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. What is the formula for thiosulfate. Short Answer. Li 2 CrO 4. 15 answers. D) N302 4) The chemical formula for calcium nitride is A) CaN2 B) Ca3N2 C) Ca(NO2)2 D) Ca(NO3)2 5) What is the sum of the coefficients when the following equation is balanced using the lowest whole-numbered coefficients? Formula: You can specify conditions of storing and accessing cookies in your browser. Formula: For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass. C) N2O3. 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Browse the list of To avoid chromium toxicity and also to control its . Molecular weight of Iron (III) Chromate Molar mass of Fe2 (CrO4)3 = Convert grams Iron (III) Chromate to moles or moles Iron (III) Chromate to grams Molecular weight calculation: 55.845*2 + (51.9961 + 15.9994*4)*3 Percent composition by element Calculate the molecular weight of a chemical compound Enter a chemical formula: But here the questions are small that's why I'm solving first four Questions. Occupational Exposures: Chemical Carcinogens and Mutagens offers a focused emphasis on chemical exposures associated with carcinogenic and mutagenic impacts along with associated controls for mitigating and con-trolling exposures. C) N2O3. Yttrium nitrate, Y (NO3)3, is a soluble salt. The Fe 2+ ion is known as the ferrous ion (common) or the iron (II) ion (systematic); the Fe 3+ ion is known as the ferric ion (common) or the iron (III) ion (systematic). The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. (NH4)3P. Write the symbol and charge for the non-metal. The name is iron(II) chloride or ferrous chloride. Formula: FeCrO4 What is the formula. Is it possible to find a . It is used as a commercial source of chromium and its compounds. barium sulfite b. calcium dihydrogen phosphate c. ammonium perchlorate d. sodium permanganate e. iron(III) sulfate f. cobalt(II) carbonate g. nickelous hydroxide h . Iron (atomic symbol: Fe, atomic number: 26) is a Block D, Group 8, Period 4 element with an atomic weight of 55.845. It is widely used in water sewage treatment and as an ingredient in fertilizers. To reduce the number of positive charges on the right-hand side, an electron is . Formula: FeCrO4 What is the chemical formula of iron II chromate? For example, iron(II) has a 2+ charge; iron(III) a 3+ charge. ammonium chloride + nickel (II)chromate ammonium chromate + nickel (II)chloride phosphorous + oxygen tetraphosphorous decaoxide sodium chlorate sodium chloride + oxygen iron (III) oxide + potassium potassium oxide + iron sulfur + fluorine sulfur hexafluoride barium carbonate barium oxide + carbon dioxide Science Chemistry In the presence of chromate, the release of periplasmic . Using the chemical formula of the compound and the periodic table of elements, we can add up the atomic weights and calculate molecular weight of the substance. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. Pb(OH)2. MnO2 Mn4+ (found previously) The name would be manganese(IV) oxide, although it is often named manganese dioxide. SnCl 2 + 2FeCl 3 2FeCl 2 + SnCl 4. Use the crisscross method to check your work.Notes:- Don't write the subscript '1'.- If you use the criss-cross method and end up with something like Ca2S2 you'll need to reduce the subscripts to Ca1S1 which we write CaS.- It is possible to have two polyatomic ions such as NH4NO3. Li 3 PO 4. A) 70.90 g B) 1.177 x 10-22 g C) 35.45 g D) 5.887 x 10-23 g. Experts are tested by Chegg as specialists in their subject area. Iron(II) sulfate is a crystalline solid either greenish or yellow-brown. In these equations, they are also referred to as "products". The mechanism of voluntary control over micturition. These relative weights computed from the chemical equation are sometimes called equation weights. one ion. What did the Nazis begin using gas chambers instead of mobile killing units and shooting squads after a while? This site explains how to find molar mass. (II) Chromate. Barium chromate BaCrO 4 1.17 10-10 Barium fluoride BaF 2 1.84 10-7 Barium hydroxide octahydrate Ba(OH) 2 . (That is, the . Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. Molar mass of Fe2(CrO4)3 = 459.6711 g/mol, Convert grams Iron(III) Chromate to moles or moles Iron(III) Chromate to grams, Molecular weight calculation: Please co-operate. In this video we'll write the correct formula for Iron (II) chromate (FeCrO4).To write the formula for Iron (II) chromate well use the Periodic Table, a Common Ion Table (see https://youtu.be/N4N1Njh7nCo), and follow some simple rules.Because Iron (II) chromate has a polyatomic ion (the group of non-metals after the metal) we'll need to use a table of names for common polyatomic ions, in addition to the Periodic Table.---Keys for Writing Formulas for Compounds with Transition Metals---1. Posted on 25 fevereiro, 2023 by 25 fevereiro, 2023 by To test your knowledge, discuss the following topics with a study partner or in writing, ideally from memory Contribute to chinapedia/wikipedia.en development by creating an account on GitHub. Google Uber dieses Buch Dies ist ein digitales Exemplar eines Buches, das seit Generationen in den Regalen der Bibliotheken aufbewahrt wurde, bevor es von Google im Rahmen eines Projekts, mit dem die Bcher dieser Welt online verfgbar gemacht werden sollen, sorgfltig gescannt wurde. The formula formed by the compound by Iron ii ions and chromate ions will be FeCrO. The positive charge of the iron (ii) ions 2+ are balanced by the negative charge of the chromate ions -2 as shown mathematically as follows; Thus the formula of the compound formed by Iron (ii) ions and chromate ions is FeCrO, To know more about Chemical compounds follow, The formula of the compound formed by Iron (ii) ions and chromate ions is FeCrO. Iron (ii) ions have a positive charge of +2. Ferrous Sulphate Feso4 Chemical Formula Iron Sulfate , Find Complete Details about Ferrous Sulphate Feso4 Chemical Formula Iron Sulfate,Ferrous Sulphate,Ferrous Sulphate Heptahydrate Feso4.7h2o,Ferrous Sulphate Price from Supplier or Manufacturer-Anqing Haida Chemical Co., Ltd. Iron (III) dichromate 10294-53-8 Chromic acid (H2Cr2O7),iron (3+) salt (3:2) DTXSID20145583 PubChem 3 Chemical and Physical Properties 3.1 Computed Properties PubChem Component Compounds CID 23925 (Iron) PubChem Related Compounds PubChem 4.3 Substances 4.3.1 Related Substances PubChem 4.3.2 Substances by Category PubChem 5 Patents Who is Jason crabb mother and where is she? Lithium Hydrogen Phosphate. Error: Iron(II) Chromate is unknown. Solution For Oswl CREE Question Blank Chapterwise a Topicwise, CHEMISTRY, Class-XII Key Fact Potassium is a necessary nutrient for life, as an electrolyte, it conducts electric signals in the bod, wi Ferrous Chromate. Routing number of commercial bank of Ethiopia? It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. PbCrO4. This is not the same as molecular mass, which is the mass of a single molecule of well-defined isotopes. When iron (ii) ions and chromate ions combine two form a compound, each ion will contribute a mole of ion towards the formation of the compound. Screen capture done with Camtasia Studio 8.0 CrO4-2 What is the formula for tin 4 chromate? Process for writing formula Write cation symbol including charge. False. chemical compound with the formula K 3 Fe C 2 O 4 3 where iron is in the 3 oxidation state It is an octahedral transition metal complex in which three bidentate oxalate ions are bound to . It is an iron molecule entity. Iron (II) NItrate. Iron(II) Chromate FeCrO4 Molar Mass. Add subscripts (if necessary) so the charge for the entire compound is zero.5. The elements of the _____ group satisfy the octet rule without forming compounds. Iron (II) Hydroxide. The solubility expression is K s p = [ A b +] a [ B a ] b The first equation is known as a dissociation equation, and the second is the balanced K s p expression. It can damage blood vessels and kill a person. In this case find and write both names as found on the Common Ion Table.---Formula Writing Resources---Finding Ionic Charge: https://youtu.be/N4N1Njh7nCoMemorizing Polyatomic Ions: https://youtu.be/vepxhM_bZqkCriss-Cross Method: https://youtu.be/VnzIqpdEimsFor a complete tutorial on naming and formula writing for compounds, like Iron (II) chromate and more, visit:http://www.breslyn.org/chemistry/namingDrawing/writing done in InkScape (http://www.InkScape.org). Chromate ions, on the other hand, have a positive charge of -2. $$\ce{3FeCl2 + 2K3PO4 Fe3(PO4)2 + 6KCl}$$ $$\ce{Fe3(PO4)2 ->[air oxidn,400C] FePO4}$$ or actually Iron (ii) ions, Fe have a positive charge of +2. Finding molar mass starts with units of grams per mole (g/mol). FeCrO4. [ Check the balance ] Tin (II) chloride react with iron (III) chloride to produce iron (II) chloride and tin (IV) chloride. Lead (II) Iodide. Ni2+ Rb Zn NH 4 O. Nickel (II) oxide NiO. What was the percent yield for ammonia in this reactio If the charge isn't given, that means you can figure it out! The number of electrons in each of Iron's shells is 2, 8, 14, 2 and its electron configuration is [Ar] 3d 6 4s 2. Iron(II) ions are oxidized to iron(III) ions as shown: \[ \ce{Fe^{2+} \rightarrow Fe^{3+}}\nonumber \] The atoms balance, but the charges do not. In its pure or concentrated form, is extremely dangerous which can lead to diarrhoea. Iron (II) sulfate can cause irritation in the respiratory tract. [Fe+3], Except where otherwise noted, data are given for materials in their, https://en.wikipedia.org/w/index.php?title=Iron(III)_chromate&oldid=1107534058, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License 3.0, This page was last edited on 30 August 2022, at 14:00. Lithium Chromate. To complete this calculation, you have to know what substance you are trying to convert. 2003-2023 Chegg Inc. All rights reserved. Various processes have been developed and a large number of studies have been carried out for Cr(VI) removal from aqueous solutions using different techniques such as: a) Chemical reduction-precipitation, where Cr(VI) is first reduced to Cr(III) by reducing agents such as sulfur dioxide gas, sodium bisulfite, and iron (II) salts in an acidic medium, followed by treatment with sodium hydroxide . It may be formed by the reaction of potassium chromate and iron(III) nitrate. 1) What is the chemical formula for iron(II) phosphate? This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. The reason is that the molar mass of the substance affects the conversion. common chemical compounds. What are the 5 types of anti-depressants? The sum of the charges (or oxidation numbers) of all atoms in the formula of a compound equals ZERO. Contribute to chinapedia/wikipedia.en development by creating an account on GitHub. This reaction forms iron(III) chromate and potassium nitrate. Lithium Dichromate. Iron hydrogen phosphate are new in this world and has been recently synthesised and as not as stable as iron phosphates. In this video we'll write the correct formula for Iron (III) dichromate : Fe2(Cr2O7)3.To write the formula for Iron (III) dichromate well use the Periodic Table, a Common Ion Table (see https://youtu.be/N4N1Njh7nCo), and follow some simple rules.Because Iron (III) dichromate has a polyatomic ion (the group of non-metals after the metal) we'll need to use a table of names for common polyatomic ions, in addition to the Periodic Table.---Keys for Writing Formulas for Compounds with Transition Metals---1. common chemical compounds. Note: yttrium iodate is composed of the iodate ion . Thermodynamic properties of substances. This list includes most of the Transition Metals combined with the Polyatomic Ions from the list. Calculate the N/P/K ratio of a 30/10/10 fertilizer in terms of moles of each element, and express it as x/y/1.0. This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. Iron(III) chromate was discovered by Samuel Hibbert-Ware in 1817 while visiting Shetland.[2]. Metals combine with polyatomic ions to give ionic compounds. Name the compound Ni (ClO3)2. nickel (II) chlorate. Transcribed image text: 1) What is the chemical formula for iron (II) phosphate? Molecular Formula: The molecular formula provides insight into the number of elements present in a compound. To write the formula for Iron (III) dichromate we'll use the Periodic Table, a Common Ion In chemistry, the formula weight is a quantity computed by multiplying the atomic weight (in atomic mass units) of each element in a chemical formula by the number of atoms of that element present in the formula, then adding all of these products together. Related questions. , What errors can you come across when reading a thermometer, How many Hydrogen atoms in the formula 4H3O2. [O-][Cr](=O)(=O)[O-].[O-][Cr](=O)(=O)[O-].[O-][Cr](=O)(=O)[O-].[Fe+3]. The correct formula for the compound would be. Colored speckles for use in granular detergentsColored speckles for use in granular detergents Try another chemical formula, Chromate ions, CrO, on the other hand have a positive charge of -2. sodium carbonate and iron ii chloride ionic equation PbI2. B2O3(s) + HF(1) BF3(g) + H2O(1) A) 15 B) 8 C) 11 D) 12 6) Given the chemical equation: N2 + 3H2 - 2 NH3. It acts as a reducing agent. [2] Production [ edit] It may be formed by the reaction of potassium chromate and iron (III) nitrate. It is dangerous to the environment and quick measures should be taken to stop it. They all will form ionic compounds. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. It also occurs in nature as the mineral chromite, though with many impurities. Yttrium nitrate, Y (NO3)3, is a soluble salt. A) 1+ B) 3+ C) 2+ D) 2- 3) The formula for dinitrogen trioxide is A) (NO3)2 B) N(OH)3. The percentage by weight of any atom or group of atoms in a compound can be computed by dividing the total weight of the atom (or group of atoms) in the formula by the formula weight and multiplying by 100.
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