Q: What is the indicator employed in Cerimetry?
A: Cerimetry : Principle: Cerric ammonium sulphate in acidic medium can function as a strong oxidising…
Q: TRUE OR FALSE (a) EDTA is commonly used as a PRIMARY standard for titration of metals in samples…
A: Both EDTA and EBT are used in complexometric titration.
Q: 10. Determination of the presence of Aluminum ion in 30.0g of ore sample is: a standardization…
A: A standardization process is that in which the concentration of a substance is determined.…
Q: Calculate the mass of Cu+in grams in a sample that requires 36.0 mL of 0.146 M KMnO4 solutions to…
A:
Q: n this equation is balanced using
A:
Q: Determine if HNO3 can dissolve metal sample. If it can, write a balanced chemical reaction showing…
A: Nitric acid is oxidizing agent which oxidize the metal and get reduced.
Q: Titration of a 0.485 g sample by Mohr method required 36.80 mL of the standard 0.1060 M AgNO3…
A: The complete balanced reaction ; Cl- + Ag+ → AgCl(s) Given in the question, Mass of sample =…
Q: 9. What volume of a silver nitrate solution that contains 10.98 g of primary standard AgNO; in 1.00…
A: Mass of AgNO3 = 10.98 g Volume of primary standard AgNO3 = 1.0 L Mass of Na2CrO4 = 0.259 g
Q: a) Cr.0,2- + Fe* → Fe3* + Cr3+ (in acidic solution) b) Mn* + BiO3 → MnOq¯ + Bi³* (in acidic…
A: a) Cr2O72-+Fe2+→Fe3++Cr3+ The oxidation state of Cr is +6. b) Mn2++BiO3-→MnO4-+Bi3+ The oxidation…
Q: What
A:
Q: What volume of 0.480 M KMnO4 would be required to titrate 0.43 g of K2[Cu(C2O4)2]⋅2H2O?
A: The balanced net reaction is given as
Q: To determine the concentration of an EDTA solution, the following aluminum(III) solution is…
A: metallic aluminum (m(Al) = 0.5540 g) is dissolved in dilute sulfuric acid, the resulting solution is…
Q: Titration of 0.2342 g of pure Na,C,O, (134.0 g/mol) required 13.45 ml of KMNO, solution according to…
A: 1- First calculate the moles of C2O42- ion : moles = [ mass / molar mass ] moles = [ 0.2342g /…
Q: An unknown metal, x, was placed in a solution of CuCl2(aq) and black solid appeared on the metal.…
A: The reactivity series is a series of metals, in order of reactivity from highest to lowest. It is…
Q: The sulfur content of an iron pyrite ore sample is determined by converting it to H2S gas, absorbing…
A:
Q: Schematic Diagram: Draw the schematic diagram of a solution containing the following. Cr, Mn, Ni *
A: The scheme is as follows:
Q: A Chemist collected a 0.4891-g sample of an ore for Fe determination by a redox titration with…
A:
Q: 3µL of a solution of 295mM EDTA is added to 997µL of water. 12µL of this solution is then added to…
A: Given, When 3µL of a solution of 295mM EDTA is added to 997µL of water. 12µL of this solution is…
Q: 60 Cu. DFe (a, B) Cu. 26
A: The balanced radioactive Chemical equation is as follows.
Q: AAS is the most widely used instrumentation for the analysis of metal and traces metal samples.…
A:
Q: If a 1.25 g sample of magnesium oxide (98.9%) were titrated with 70 ml of 1.04 N of sulfuric acid,…
A: Mass of magnesium oxide = (98.9/100) × 1.25 g = 1.236g Moles of magnesium oxide =…
Q: a 523.1 mg sample of impure KBr is treated with excess AgNO3 and 814.5 mg AgBr is obtained. What is…
A: Percentage purity = (mass of the pure chemical / total mass of the sample) x 100%
Q: The iron (II) in an acidified solution is titrated with 0.0317M solution of KMnO4:…
A: The question deals with the molar-ratios. It is the ratio of moles of reactant consumed and moles of…
Q: A silver nitrate solution contains 14.77 g of primary standard AgNO, , in 1.00 L what volume of this…
A:
Q: Iron nail clipped in a solution kept in a test tube. After half an hour it was observed that the…
A: Given solutions, (a) Zinc sulphate (b) Copper sulphate (c) Iron sulphate (d) Aluminium…
Q: 104. A solution containing Pt+ is electrolyzed with 4.00 A. How long will it take to plate out 99%…
A: Faraday's 1st law of electrlysis : The amount of substance deposited is directly proportional to…
Q: Déterminer the oxidation number for the indicator element in the following compound Ti in TiO2…
A: Compound Given TiO2 Oxidation No of Ti = To be determined
Q: A solution containing 0.370 g the mineral Iron ( 55.84 g/mole) produced ferrate ion (Feo 4 -2 = Mw…
A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…
Q: 0.683 grams of iron mineral dissolves with acid. Fe2+ is titrated with Ce(SO4)2 solution.…
A: Reaction between Fe2+ with Ce(SO4)2 is as following: Fe2+ + Ce(SO4)2 ----> Fe3+ + Ce3+ 1 mol…
Q: Ores are analyzed by dissolving some of the ore and then performing an analysis of a metal…
A: The total mass of ore is 14.1960 g. The volume of titrant MnO4- added to reach endpoint is 35.32 mL.…
Q: What volume of 0.170 M KMnO4 would be required to titrate 0.38 g of K2[Cu(C2O4)2]⋅2H2O?
A: Given, molar concentration of KMnO4 = 0.170 M mass of K2[Cu(C2O4)2]⋅2H2O = 0.38 g Now,…
Q: A silver nitrate solution contains 50.35 g of primary standard AgNO3, in 1.00 L what volume of this…
A: The mass of silver nitrate present in a one-liter solution is = 50.35 g The volume of the Na2S…
Q: In the preparation of the NaCl stock solution, 19.9805g of the salt was dissolved in enough water to…
A:
Q: When Cr(III) is oxidized to Cr(VI), its solubility, mobility and toxicity are dramatically…
A: The solution of the question is given below:
Q: A Cu2+ solution is prepared by dissolving a 0.4728 g piece of copper wire in acid. The solution is…
A: Molarity - ratio of number of moles of solute to the volume of solution in litres. Formula is,
Q: Zn + HgO → ZnO,²- + Hg (basic solution) Fe²+ + MnOq¯ → Fe³* + Mn²+ (acidic solution)
A: First balance half oxidation and reduction reaction by ion electron method.
Q: You have 10 mL of an 8% aqueous solution of H2Cl6Pt. (a) Calculate the platinum in this solution as…
A: Given data, Volume of solution = 10mL = 0.010L Concentration of solution = 8% Density of solution =…
Q: A Chemist collected a 0.4891-g sample of an ore for Fe determination by a redox titration with…
A:
Q: 50. The purity of sodium oxalate Na₂C₂O4 (134.00 g/mol) is determined by titrating with a standard…
A: Titration reaction is common quantitative lab method which used to determine the concentration of…
Q: 6.) Which of the elements in the table would you expect to form "a substitutional solid solution…
A: In the given data, the difference in atomic radii in percentage (∆R%) is given, the crystal…
Q: A silver nitrate solution contains 50.35 g of primary standard AgNO3, in 1.00 L what volume of this…
A: For complete reaction, gram equivalents of firs reactant must be equal to gram equivalents of second…
Q: These are six test tubes containing 0.1 M aqueous solutions of (in no particular order) (view…
A: Six test tubes containing 0.1 M aqueous solution with no particular order are given NaOH Ca(NO3)2…
Q: The Borax solution (Na2B4O7) was standardized by titrating 20.00 mL of sample with 1.044 M solution…
A:
Q: 20- Brown rinc In a salt Experim (a) Nitrates are (b) Fe2* acts as (C) Brown ring (d) NO gas forn a
A: Brown ring test: It is also known as the nitrate test. This test is performed to check out the…
Q: A sample of impure oxalic acid which weighs 0.4750 gram requires 35.6 mL of 0.20N NaOH. Calculate…
A:
Q: 4. Potassium dichromate is often used to standardize reducing agents like Fe2+: Cr:0, + 6Fe +14 H*…
A: Given data,Volume of Fe2+=34.00mL=0.034LMass of K2Cr2O7=398.5mg=0.3985gMolar mass of…
Q: A 0.8040-g sample of an iron ore is dissolved in acid. The iron is then reduced to Fe2+ and titrated…
A: Mass of iron ore = 0.8040 g Volume of KMnO4 solution = 47.22 ml Molarity of KMnO4 solution = 0.02242…
Q: 1. A Chemist collected a 0.4891-g sample of an ore for Fe determination by a redox titration with…
A:
Q: Calcium in a 136-µL serum sample is titrated with 0.0004726 M EDTA solution, requiring 2.9 mL. What…
A: Given molarity of EDTA solution = 0.0004726 M Volume = 2.9 ml molar mass of calcium = 40.078 g
Q: Determine if HNO3 can dissolve metal sample. If it can, write a balanced chemical reaction showing…
A: See the solution below.
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- In standardizing a solution of NaOH against 1.431g of KHC8H4O4, the analyst uses 35.50 mL of the alkali and has to run back with 5.12 mL of acid (1mL = 0.0031g Na20) What is the normality of NaOH? Additional instructions: Make it handwritten Include up to 4 decimal places Please include explanations of the process Thank you so much!In standardizing a solution of NaOH against 1.431g of KHC8H4O4, the analyst uses 35.50 mL of the alkali and has to run back with 5.12 mL of acid ( 1mL ≎0.0031g Na2O) What is the normality of NaOH?A solution was prepared by dissolving 367 mg of K3Fe(CN)6 (329.2 g/mol) in sufficient water to give 750.0 mL. Calculate (a) the molar analytical concentration and Normality of K3Fe(CN)6. (b) the molar concentration of K+. (c) the molar concentration of Fe(CN)63-. (d) the weight/volume percentage of K3Fe(CN)6.
- 30mL 0.9% v/v green food coloring. Transfer 2mL of of food coloring to flask, QS the flask to 100mL with DI water. What is the concentration of the standard?A 600.0 mg sample consisting of only CaC2O4and Mg C2O4is heated at 500oC converting the two salts to CaCO3and MgCO3. The sample weighs 465.0 mg. If the sample had been heated at 900oC where the products are CaO and MgO, what would the mixture of oxides weigh? Show the clear and complete solutionYou have 10mL of an 8% aqueous solution of H2Cl6Pt. Calculate the molar concentration of the platinum in this solution.The density of the solution is 1.05kg.L^-1
- what mass in grams of Na2S2O3 is needed to dissolve 4.7 g of AgBr in a solution volume of 1.0 L given that Ksp for AgBr is 3.3 x 10^-13 and Kf for [Ag(S2O3)2]^3- is 4.7 x 10^13?A community in a mountainous area of Bohol uses water collected from a nearby natural spring. A sample was submitted to a laboratory for the analysis of its total hardness. Describe the preparation of the following reagents: 100 mL of 1.0M stock EDTA solution. 0 L of 0.010 M EDTA solution from the stock EDT solution. 0 mL of 500.0 ppm of CaCO3 solution from a primary standard (assume solvent is distilled water only).The titration of 0.5001 g of KHP with a purity of 98.5% (204.223 g/mol) required 25.10 mL of NaOH. Calculate the concentration of NaOH solution KHP reacts with NaOH in a 1:1 ratio.
- Determine the lime and soda ash does, in mg/L as CaO and Na2CO3, to soften the Thames River to a final hardness of less than 125 mg/L as CaCO3. Assume that all the alkalinity is bicarbonate and that the lime is 90% pure and the soda ash is 97% pure. (4.21)Comparing the two quantities based on the given condition, which is greater I or II? or are they equal? can the quantities be measured? Consider the analysis of Fe in ore using permanganate as titrant. Under the same acidic conditions I. % Fe with pre-reduction II. % Fe without pre-reductionProvide detailed solutions.
