Convert grams Chromium(III) Sulfate to moles. Molecular formula: Cr 2 (SO 4) 3 Elements: Chromium (Cr) , Oxygen (O) , Sulfur (S) Molecular weight: 392.16 g/mol Molar volume: 130.199 cm/mol CAS Registry Number (CAS RN): 10101-53-8 What is the oxidation number of an atom of nitrogen in the compound N2? Additionally, ill-defined but commercially important "basic chromium sulfates" are known. Browse the list of Browse the list of Molar mass by definition is the mass of one mole of a compound. Counting the number of atoms of each element in the compound. ( ) . . A 34.5-gram sample of lithium reacts with chromium(III) chloride. . Calculate the mass in grams of 11.7 moles of chromium(III) sulfate decahydrate. Functional groups: D, Ph, Me, Et, Bu, AcAc, For, Ts, Tos, Bz, TMS, tBu, Bzl, Bn, Dmg. Average mass 392.180 Da; Monoisotopic mass 391.736206 Da; ChemSpider ID 23304 - Charge. A common request on this site is to convert grams to moles. Like other ionic compounds, it is a strong electrolyte that dissociates in aqueous solution to give hydrated NH 4+ and Cr 2 O 72 ions: Equation 4.8 Given, that the molar mass of sulfate decahydrate is 322.19 g/mol. Calculate the percent by mass of nitrogen in ammonium sulfate. How many grams of lithium chloride are formed? For the vectors A\overrightarrow{\mathbf{A}}A and B\overrightarrow{\mathbf{B}}B in the plane of the page as shown in as we discussed earlier, in what direction is (i) AB\overrightarrow{\mathbf{A}} \cdot \overrightarrow{\mathbf{B}}AB, (ii) AB\overrightarrow{\mathbf{A}} \times \overrightarrow{\mathbf{B}}AB, (iii) BA\overrightarrow{\mathbf{B}} \times \overrightarrow{\mathbf{A}}BA ? How many total moles of atoms are there in one mole of silver(I) phosphate, Ag3PO4? These relative weights computed from the chemical equation are sometimes called equation weights. How many atoms are present in one formula unit of. To learn the formula of various chemical compounds, Subscribe to BYJUS now! Upon heating, it turns from blue to green. millimole per liter [mm/l], micromole per liter [m/l], nanomole per liter [nm/l] and picomole per liter [pm/l]. An ion of bromine with a single negative charge has the symbol and the name, The platinum(II) ion and the platinum(IV) ion. Find Atomic Mass of Each Element Required fields are marked *. Calculate the molar mass of zinc sulfate. ( ) . . Finding molar mass starts with units of grams per mole (g/mol). C = (24/44) x 100 = 54.5% O = (16/44) x 100 = 36.4% H = (4/44) x 100 = 9.1% around acetate, Ba(C2H3O2)2? 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. (Use Avogadro's . Chromium(III) Sulfite Cr2(SO3)3 Molar Mass, Molecular Weight. If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. A Computer Science portal for geeks. What is the molar concentration of sulfate ion? Compute Mass of Each Element Molar mass158.36 g/mol . Purer samples can be dried to form a lighter-colored powder. Its melting point is 90 C (194 F), density 3.1 g/cm3. How many moles of a compound are there in 15.0g of potassium dichromate, K2Cr2O7? PbSO4. Para encontrar a massa molar (peso molecular) dos produtos qumicos, precisamos usar a tabela peridica dos elementos e encontrar a massa atmica de cada elemento.In diesem Video lernen Sie, wie Sie die Molmasse von Verbindungen herausfinden. 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. Chromium nitrate can be produced by combining chromium oxide in nitric acid solution. The molecular formula of Chromium III Sulfate is Cr 2 (SO 4) 3. Track your food intake, exercise, sleep and meditation for free. Per trovare la massa molare (peso molecolare) delle sostanze chimiche dobbiamo usare la tavola periodica degli elementi e trovare la massa atomica di ciascun elemento.1 . Elsevier; 23rd Edition (May 7, 2018). The model baths were prepared from anhydrous sodium sulfate, sodium chloride, and chromium(III) chloride hexahydrate. Davidson's Principles and Practice of Medicine 23rd Edition by Stuart H. Ralston MD FRCP FMedSci FRSE FFPM(Hon) (Editor), Ian D Penman BSc(Hons) MD FRCPE (Editor), Mark W J Strachan BSc(Hons) MD FRCPE (Editor), Richard Hobson LLM PhD MRCP(UK) FRCPath (Editor). Molar mass: 262.157 g/mol (anhydrous) 478.335 g/mol (dodecahydrate) Density: 1.72 g/cm 3 (dodecahydrate) Crystal system: hexagonal (anhydrous) . 323.5 g/mol. . We use the most common isotopes. When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. It took 8.58 mL of 0.0520 M K2Cr2O7 solution to completely react with the excess Fe2+. A Computer Science portal for geeks. These relative weights computed from the chemical equation are sometimes called equation weights. Become a member. chromium(III) sulfate. It is very harmful to the environment and a major health hazard. . Molar mass of chromium(iii) sulfateis 392.1800 g/mol Compound name is chromium(iii) sulfate Convert between Cr2(SO4)3 weight and moles Compound Moles Weight, g Cr2(SO4)3 Elemental composition of Cr2(SO4)3 Element Symbol Atomic weight Atoms Mass percent Chromium Cr 51.9961 2 26.5164 Sulfur S 32.065 3 24.5283 Oxygen O 15.9994 12 48.9553 This site explains how to find molar mass. This site explains how to find molar mass. mass = 2711.24 . 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. ENDMEMO. Calculate the molar mass of the compound: Um die Molmasse (Molekulargewicht) von Chemikalien zu bestimmen, mssen wir das Periodensystem der Elemente verwenden und die Atommasse jedes Elements ermitteln. . It is a water-soluble blue-grey solid. The molar mass of chromium (II) nitrate is 176.0059 grams per mole. Please show your work a) Chromium(III) sulfate correct answer(392.2 g/mole) b) ohosphorus trichloride correct answer(137.3 g/mole) c) Magnesium hydroxide Correct answer (58.33 g/molw) d) Manganese (II) Phosphate Correct answer (354.8 g/mole) ADVERTISEMENT MORE FROM REFERENCE.COM WebQC is a web application with a mission to provide best-in-class chemistry tools and information to chemists and students. It is used in leather tanning. Chromium Potassium Sulfate Dodecahydrate is generally immediately available in most volumes. Molecular formula: Cr 2 (SO 4) 3 Elements: Chromium (Cr) , Oxygen (O) , Sulfur (S) Molecular weight: 392.16 g/mol Molar volume: 130.199 cm/mol CAS Registry Number (CAS RN): 10101-53-8 Chromium (III) sulfate most often appears as a blue-grey or violet-grey amorphous solid. More details . gram per deciliter [g/dl], milligram per deciliter [mg/dl], microgram per deciliter [g/dl], nanogram per deciliter [ng/dl] and picogram per deciliter [pg/dl]. b) Use this molar mass as a conversion factor to convert 177 g of iron(III) sulfate to moles. common chemical compounds. Structure, properties, spectra, suppliers and links for: Chromium(III) sulfate (2:3), Chromium(III) sulfate, 10101-53-8. The side chain of tryptophan will give rise to the largest CD signal in the near UV region when? The molar mass of a substance, also often called molecular mass or molecular weight (although the definitions are not strictly identical, but it is only sensitive in very defined areas), is the weight of a defined amount of molecules of the substance (a mole) and is expressed in g/mol. Ph Eur 103776 View Pricing & Availability Download Product Safety Card Recommended Products Overview millimole per deciliter [mm/dl], micromole per deciliter [m/dl], nanomole per deciliter [nm/dl] and picomole per deciliter [pm/dl]. gram per milliliter [g/ml], milligram per milliliter [mg/ml], microgram per milliliter [g/ml], nanogram per milliliter [ng/ml] and picogram per milliliter [pg/ml]. If you mix solutions of potassium sulfate and chromium (III) sulfate so that their molar concentrations are the same, the solution behaves just like you would expect of such a mixture. milliequivalent per liter [meq/l], microequivalent per liter [eq/l], nanoequivalent per liter [neq/l] and picoequivalent per liter [peq/l]. La massa molare per definizione la massa di una talpa di un composto. Finding the atomic masses of elements in the periodic table. Q: Need the answers to these questions asap. It gives the reactions of chromium (III) ions, of potassium ions, and of sulfate ions. (a) Mass in grams of 8.42 mol of chromium(III) sulfate decahydrate (b) Mass in grams of molecules of dichlorineheptaoxide (c) Number of moles and formula units in 6.2 g of lithium sulfate (d) Number of lithium ions, sulfate ions, S atoms, and O atoms in the mass of compound in part (c) . A Computer Science portal for geeks. ACD/Labs Percepta Platform - PhysChem Module, Compounds with the same molecular formula, Search Google for structures with same skeleton, WARNING: Inhalation of fumes or dust may be a cancer hazard, A compound of chromium and sulfate in which the ratio of chromium (in the +3 oxidation state) to sulfate is 2:3. Synonyms: Alum iron, Ferric ammonium sulfate, Iron alum, Iron (III) ammonium sulfate CAS #: 7783-83-7 EC Number: 233-382-4 Molar Mass: 482.19 g/mol Chemical Formula: (NH)Fe (SO) * 12HO Hill Formula: HNFeOS * 12 HO Grade: ACS,ISO,Reag. This website collects cookies to deliver a better user experience. Calculate the thickness of the chromium film on the can. Chromium(III) | Cr+3 | CID 27668 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. ( ) . ( ) , . Convert grams Chromium(III) Sulfate to moles or moles Chromium(III) Sulfate to grams, Molecular weight calculation: ( ) .In questo video imparerai come scoprire la massa molare dei composti. It is corrosive in nature and categorized as an irritant. The Chromium Iii Sulfate Formula is Cr2(SO4)3. Calculate the percent composition of glucose, C6H12O6. Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. 3. Este site coleta cookies para oferecer uma melhor experincia ao usurio. Also known as: Chromic sulfate; Dichromium trisulfate. Number of moles of chromium sulfate = Mass / molar mass Number of moles of chromium sulfate = 0.25 g/ 392.16 g/ mol Number of moles of chromium sulfate = 6.4 10 moles Number of formula units: 1 mole = 6.022 10 formula units 6.4 10 moles 6.022 10 formula units / 1 mol 38.541 10 formula units Advertisement Previous Next So, Molar mass of . milliequivalent per milliliter [meq/ml], microequivalent per milliliter [eq/ml], nanoequivalent per milliliter [neq/ml] and picoequivalent per milliliter [peq/ml]. Para encontrar la masa molar (peso molecular) de los qumicos necesitamos usar la tabla peridica de elementos y encontrar la masa atmica de cada elemento.Neste vdeo, voc aprender como descobrir a massa molar de compostos. In one analysis, a 40.0-cm2 sample of a chromium-plated can was treated according to this procedure. Chromium sulfate | Cr2 (SO4)3 - PubChem compound Summary Chromium sulfate Cite Download Contents 1 Structures 2 Names and Identifiers 3 Chemical and Physical Properties 4 Related Records 5 Chemical Vendors 6 Drug and Medication Information 7 Pharmacology and Biochemistry 8 Use and Manufacturing 9 Safety and Hazards 10 Toxicity 11 Literature This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. It is insoluable in water. 5. 134.45 amu. La masa molar, por definicin, es la masa de un mol de un compuesto. The selected salts were dissolved in deionized water. Upon heating, it turns from blue to green. PubChem . The Chromium III Sulfate is an inorganic compound that has the ratio of chromium to sulfate at 2:3. Answer (a): For calculating moles of KCr (SO4)2.12H2O, we need to first calculate its molar mass. Dissolve compounds in hot water apart and then mix solutions into one . Count The Number of Each Atom The first step to finding the molar mass is to count the number of each atom present in a single molecule using the chemical formula, Cr2(SO4)3*12H2O: 2. 1. Compound Name 2-(2,5'-dimethylbenzoyl)- benzoic acid Formula Molar Mass [g/mol] . What is the oxidation number of As in AsO4-3. The name indicates that the compound has 10 water. This is how to calculate molar mass (average molecular weight), which is based on isotropically weighted averages. Pour trouver la masse molaire (poids molculaire) des produits chimiques, nous devons utiliser le tableau priodique des lments et trouver la masse atomique de chaque lment.En este video aprender cmo descubrir la masa molar de los compuestos. The reason is that the molar mass of the substance affects the conversion. Molar Mass, Molecular Weight and Elemental Composition Calculator Molar mass of Pb (SO4)2 is 399.3252 g/mol Get control of 2022! Write a chemical equation for the combustion of each of the following substances. Chromium III Sulfate Formula Chromium (III) Sulfate is an inorganic compound in which the ratio of chromium to sulfate is 2:3. When DFOB (270 M) was the only ligand present, dissolved Fe(III) and Cr(III) increased approximately 1000-fold and 16-fold, respectively, as compared to the ligand-free system, a difference we . If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. reminders to items memorize hl notes textbook units temp a. solid barium b. solid boron c. liquid acetone (C3H3O)\left(\mathrm{C}_{3} \mathrm{H}_{3} \mathrm{O}\right)(C3H3O) d. liquidoctane(C8H18)\text { liquid octane }\left(\mathrm{C}_{\mathrm{8}} \mathrm{H}_{\mathrm{18}}\right)liquidoctane(C8H18). . 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. Formula: Cr2(SO3)3. chromium(III) sulfate(aq) +- object to be plated lead anode (i) Give two reasons why steel objects are plated with chromium. I don't really understand them Which property of manganese dioxide helps it tu [1] [2] It contains 14.1% elemental magnesium by mass. The atomic weights used on this site come from NIST, the National Institute of Standards and Technology. Accordingly, 141 mg of elemental magnesium is contained in 1000 mg of magnesium glycinate. No predicted properties have been calculated for this compound. Sulfate compounds are salts or esters of sulfuric acid formed by replacing one or both of the hydrogens with a metal. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. You will first need to find the molar mass of the compound. adding the masses of all the aroms in the molecule, For any molecular, formula unit, or ion, the sum of the average atomic masses of all the atoms represented in a formula is the. The formula for chromium (III) sulfate decahydrate is Cr2(SO4)310H2O C r 2 ( S O 4) 3 10 H 2 O. Its hydrate form Cr2 (SO4)3.8H2O is soluble in water. the charge on the atom. The complete combustion . Question 1: What is the molar mass of Chromium III nitrate? millimole per milliliter [mm/ml], micromole per milliliter [m/ml], nanomole per milliliter [nm/ml] and picomole per milliliter [pm/ml]. Alias: Chromic Sulfite. Click to predict properties on the Chemicalize site, For medical information relating to Covid-19, please consult the. Answer: Chromium nitrate (Cr (NO 3) 3) is a crystalline chromium compound that is easily dissolved in water. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. Detailed notes and practice problems with work and explanations of Unit 1 general chemistry concepts. What is the correct formula mass for zinc hydroxide, Zn(OH)2? Your Mobile number and Email id will not be published. Recently prepared samples or those that have been subjected to heat may contain a deep green-colored sulfato complex and are hygroscopic as a result. chromium concentration in the leaching liquid was deter-mined by the ammonium ferrous sulfate titration method. Chromium III Sulfate is an inorganic ionic compound. Massa molar, por definio, a massa de uma mole de um composto. Finding the molar mass by means of calculating the sum of the atomic weight of the atoms, which form the compound multiplied by their numbers. 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 percentage composition of CuCl2 by mass? A substance is 35.7% carbon by mass. [Cr+3], InChI=1S/2Cr.3H2O4S/c;;3*1-5(2,3)4/h;;3*(H2,1,2,3,4)/q2*+3;;;/p-6, CSID:23304, http://www.chemspider.com/Chemical-Structure.23304.html (accessed 01:22, Mar 5, 2023), Validated by Experts, Validated by Users, Non-Validated, Removed by Users, Predicted data is generated using the ACD/Labs Percepta Platform - PhysChem Module. . Your Mobile number and Email id will not be published. What is the chemical formula for the compound made of tin(IV) ions and chloride, Cl-, ions? Formula weights are especially useful in determining the relative weights of reagents and products in a chemical reaction. common chemical compounds. It has a molecular formula Cr 2 (SO 4) 3. Chromium (III) oxide b) Magnesium nitrate c) Manganese (IV) oxide. (III) nitrate solution to form chromium and the soluble magnesium nitrate salt. 51.9961*2 + (32.065 + 15.9994*4)*3. Chromic Sulfate Formula: Cr2 (SO4)3 Molar Mass: 392.18 Cr2 (SO4)3 is a reddish brown crystal at room temperature. 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. Gerd Anger, Jost Halstenberg, Klaus Hochgeschwender, Christoph Scherhag, Ulrich Korallus, Herbert Knopf, Peter Schmidt, Manfred Ohlinger, "Chromium Compounds" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2005. https://archive.org/details/britishjournalof35unse/page/478/mode/2up, https://en.wikipedia.org/w/index.php?title=Chrome_alum&oldid=1135313637, Articles with unsourced statements from September 2011, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License 3.0, dark purple needles or greyish-brown powder when anhydrous, This page was last edited on 23 January 2023, at 22:40. . Expert Answer. InChI=1S/Cr.K.2H2O4S/c;;2*1-5(2,3)4/h;;2*(H2,1,2,3,4)/q+3;+1;;/p-4, InChI=1/Cr.K.2H2O4S/c;;2*1-5(2,3)4/h;;2*(H2,1,2,3,4)/q+2;+1;;/p-4, Except where otherwise noted, data are given for materials in their. The product of the molar mass of the compound and the moles of the substance are defined as mass. Determine the molar mass of nickel(II) sulfate hexahydrate. Home; About us; Membership & professional community; Campaigning & outreach; . Chromium (III) sulfate is a dark green to violet crystalline material. The salt calcium nitrate, Ca(NO3)2, contains the anion from. 4. Mass = moles molar mass. E-Book Overview EVERYTHING YOU NEED TO HELP SCORE A PERFECT 5. To complete this calculation, you have to know what substance you are trying to convert. How many mL of a 3.25 M ammonium sulfate solution would . 6. What is the formula for the compound made of aluminum ions, Al3+, and sulfate ions, SO4-2. [2], Chromium alum is used in the tanning of leather[1] as chromium(III) stabilizes the leather by cross linking the collagen fibers within the leather. Let us learn chromium III sulfate formula here. You can also browse global suppliers,vendor,prices,Price,manufacturers of TRIS(ETHYLENEDIAMINE)CHROMIUM (III) CHLORIDE(16165-32-5). 84.79g of chromium(III) sulfate dodecahydrate. National Institutes of Health. [3] However, this application is obsolete because the simpler chromium(III) sulfate is preferred. 4. For finding the molar mass (molecular weight) of chemicals we need to use the periodic table of elements and finding atomic. Jump to main content Jump to site nav. What is the mass of 4.80 mol of barium hydride, BaH2? Chromium (III) Sulfate molecular weight Molar mass of Cr2 (SO4)3 = 392.18 g/mol Convert grams Chromium (III) Sulfate to moles or moles Chromium (III) Sulfate to grams Molecular weight calculation: 51.9961*2 + (32.065 + 15.9994*4)*3 Percent composition by element Calculate the molecular weight of a chemical compound Enter a chemical formula: What is the correct stock name for SnBr4? 51.9961*2 + (32.065 + 15.9994*4)*3. Example Reactions: Cr2(SO3)3 + 3 H2SO4 = Cr2(SO4)3 + 3 H2SO3 Cr2(SO3)3 + 3 H2SO4 = Cr2(SO4)3 + 3 SO2 + 3 H2O (The molar mass of K2Cr2O7 is 294.2g), What is the mass of 4.80 mol of barium hydride, BaH2?, Using the stock system of nomenclature, Cr2(SO4)3 is named and more. This compound is also known as Chromium(III) Sulfate. Each time, the volume of the model exhausted chromium tanning baths was 4 L. The temperature was kept constant at 20 C in the tested systems during the process. a. Explanation of how to find the molar mass of Cr2 (SO4)3: Chromium (III) sulfate. Determine the formula and then calculate the MW ( molecular weight) of nickel(III) sulfate. What is the correct molar mass of Ag3PO4? Any chemical element. Find Atomic Mass of Each Element Next, using the periodic table, find the atomic mass in g/mol of each element: 3. 0.360 M b. Capitalize the first letter in chemical symbol and use lower case for the remaining letters: Ca, Fe, Mg, Mn, S, O, H, C, N, Na, K, Cl, Al. See full answer below. milliequivalent per deciliter [meq/dl], microequivalent per deciliter [eq/dl], nanoequivalent per deciliter [neq/dl] and picoequivalent per deciliter [peq/dl]. EPR test, quenching experiments and contribution rate analysis showed that the oxidation active species in E-Co(II)-PDS process were Co(III), sulfate radicals and hydroxyl radicals, and their . Convert between Pb (SO4)2 weight and moles Elemental composition of Pb (SO4)2 Sample reactions for Pb (SO4)2 Formula in Hill system is O8PbS2 Magnesium glycinate, also known as magnesium diglycinate or magnesium bisglycinate, is the magnesium salt of glycine (one magnesium and two glycine molecules), and is sold as a dietary supplement. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. - . Chromium (II) nitrate finds limited uses in the dyeing industry. Using the stock system of nomenclature, Cr2(SO4)3 is named, In a polyatomic ion, the algebraic sum of the oxidation numbers of all atoms is equal to, The first part of the name of a binary ionic compound is the. What is the formula mass of copper(II) chloride, CuCl2. H2O are known. What is the formula mass of copper (II) chloride, CuCl2? 12 (H 2 O). To complete this calculation, you have to know what substance you are trying to convert. By using this website, you signify your acceptance of Terms and Conditions and Privacy Policy.Do Not Sell My Personal Information "; Please enable JavaScript in order to use this website. Here, in this article, we shall be discussing more about the Chromium(III) Sulfate formula along with its chemical structure, properties and uses. [1] Production and properties [ edit] Chrome alum Question 2: Is Chromium (III) Nitrate soluble or insoluble? Solid lead (II) sulfate reacts with solid lead (II) oxide to form solid lead and sulfur dioxide gas. It is a water-soluble blue-grey solid. The molar mass is 162.2 g/mol. What is the formula for iron three sulfate? Subscribe: https://www.youtube.com/channel/UCuF0UjCkGuyxKPptXy00Trg?sub_confirmation=1Molecular formula Playlist: https://www.youtube.com/watch?v=kVDqWTUYvYU\u0026list=PLDwv-O7TJyNh624DJP_4C76hZV5JOc4GrMolar Mass/Molecular Weight Playlist: https://www.youtube.com/watch?v=eaog5Xic3as\u0026list=PLDwv-O7TJyNj0Zts_fMUAoAU-JaN_a4VvIn this video you will learn how to find out the molar mass of compounds. Sorption recovery of toxic ions - chromium (VI) and manganese (II) - from aqueous solutions with different acidity (0.001-0.5 M HCl) was investigated on cation and anion exchangers synthesized with long-chained cross-linking agents (LCA).The initial concentrations of Cr(VI) and Mn(II) were 1 g/L and 5 g/L, respectively.It was shown that the resins with LCA possess high ionic permeability .
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