Q: The digestion of a 0.1387-g sample of a phosphorus containing compound in a mixture of HNO, and…
A: Solution: Given: Mass of the sample containing phosphorus = 0.1387 gMolarity of NaOH solution =…
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: 1. A 0.0250 M Ca(X)₂2 has a pH of 8.049. Ca(X)2 is composed of a Ca²+ cation and an unknown anion X,…
A: Given: The concentration of the salt Ca(X)2 = 0.0250 M pH of the solution = 8.049 We have to find:…
Q: A 4.932-g sample of a petroleum product was burned in a tube furnace, and the SO2 produced was…
A: The reaction is given as: SO2(g)+H2O2→H2SO4 There is a reaction taking place between NaOH, H2SO4 and…
Q: A 0.3311 -g sample of pure iron (55.847 g/mol) wire was dissolved in acid, reduced to the +2 state,…
A: We need to find molar concentration of cerium ion.
Q: What hazards are associated with this lab and what steps are taken to avoid them? Why does adding…
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Q: An analysis was carried out to determine the purity of an aspirin sample. To hydrolyze the sample,…
A:
Q: The Cl- concentration in a brinë sample is analyzed by the Volhard method. For this purpose, 60 mL…
A:
Q: Use the following atomic masses (in g/mol): Ca = 40.08; C = 12.01; O = 16; Na = 23; Cl = 35.45…
A: 200 mg sample of pure calcium carbonate was acidified and dissolved in 500 mL of solution. A 50 mL…
Q: Determine the molarity of the 10.00 mL standard EDTA solution titrated using 1.000 g zinc sulfate in…
A:
Q: 0.00247
A: Molarity of KMnO4 = 0.0010 M Volume of KMnO4 = 4.94 mL At equivalent point, Geq. of KMnO4 = Geq. of…
Q: Calculate the purity of the Na2CO3 sample.
A: Solution: In Volhard's method we titrate excess of Ag+ ions with SCN- ion with ferric (Fe+3) ion as…
Q: What does it mean to standardize the KMnO4 solution? In the titration, which substance is reduced…
A: The questions are based on the concept of redox titrations. It involves titration of potassium…
Q: 11. Which is a highly purified compound that serves as a reference material in titration? A.…
A: Please find your solution below : Primary standard is a highly purified compound that serves as a…
Q: A limestone sample weighing 400 mg was dissolved in acid treated with excess sodium oxalate. The…
A:
Q: A student wants to prepare a standard solution of BSA. They create a stock solution of BSA by add…
A: Concentration of stock solution=0.174 g10 mL=0.0174 g/mL
Q: Iodide concentration in a 0.6712-g sample was analyzed by titrating it with exactly 50.00 mL of…
A:
Q: For breakfast, the nihilistic Rick Sanchez ate 100 g of cereal mixed with 20 g of milk. A 1.500 g…
A: Given: The molar mass of N (nitrogen) is 14.07 g/mol. For cereal: The amount of cereal consumed is…
Q: After seeing Blake Lively's Met Gala 2022 look, a chemist was inspired to determine the copper…
A: We need to determine the copper content in a rock sample.
Q: .A sample of alfalfa meal weighing 2.0 g is analyzed by Kjeldahl method for the percentage of…
A:
Q: A student wanted to determine the amount of NaOCI in a commercial bleaching solution. He diluted 2 g…
A: Given that - Volume of Na2S2O3 = 17 mL Molarity of Na2S2O3 = 0.05 M Volume of sample of bleach…
Q: A mixture containing only KCl (74.55 g/mol) & NaBr (102.89 g/mol) was analyzed by the Mohr method. A…
A: Chloride ion concentration of an unknown sample can be calculated using Mohr method. In Mohr…
Q: An analysis for borohydride ion is based on its reaction with Ag+: BH4- + 8Ag+ + 8OH--> H2BO3- +…
A:
Q: The Zn in a 260-g sample of foot powder was titrated with 2 L of 0.5 M EDTA. Calculate the percent…
A: Given that - Mass of Sample of Zn = 260 g Volume of EDTA Solution = 2 L Molarity of EDTA Solution…
Q: 0.28g 0f MBr is dissolved in distilled water and made up to 250mL mark in a volumetric flask. 25 mL…
A: The titration of MBr by AgNO3 is a double-displacement reaction, which is given by,…
Q: which of the following is the amount of magnesium in the sample in ppm? (Mg:24 g/mol)
A: Solution: Here Mg2+ ion is Complexometrically titrated with EDTA solution. So the reaction is: Mg2+…
Q: From a 50.0 mL drink sample suspected to be spiked with cyanide (CN-), an 10.0-mL aliquot was taken…
A: A question based on concentration terms that is to be accomplished.
Q: A 0.992-g sample of canned tuna was analyzed by the Kjeldahl method. The ammonia formed was…
A: The Kjeldahl method is a quantitative technique to determine the nitrogen percentage in an organic…
Q: A 50.0 mL solution of Ca(OH)2 with an unknown concentration was titrated with 0.340 M HNO3. To reach…
A: Calcium hydroxide reacts with nitric acid to form calcium nitrate. In this reaction, calcium…
Q: 50 mL of a sample known to contain Mg+2 was taken and titrated with 0.075 M EDTA standard solution…
A: Magnesium solution is titrated complexometrically with a standard EDTA solution. we need to…
Q: if a 1.25g sample of magnesium oxide (98.9%) were titrated with 70ml of 1.04N of sulfuric acid, what…
A:
Q: 1.0 g of a solid sample known to contain a mixture of NaOH and Na2CO3 is dissolved with distilled…
A: Volume of 0.107 M HCl added with Phenolphthalein indicator = 10.6 mL * (1L/1000 mL) = 0.0106 L…
Q: Show complete solution. Round-off your answers to four decimal places The amount of copper in a…
A:
Q: Calculate the volume of 0.0407 M EDTA needed to titrate the Ca in a 0.1622 g CaCO3 (MM = 100.0869…
A: We knew that in complexometric titration EDTA use as titratrent .EDTA makes 1:1 complex with matel…
Q: Determine the molarity of the 10.00 mL standard EDTA solution titrated using 1.000 g zinc sulfate in…
A: 1- First determine the moles of ZnSO4 : Moles = [ mass / molar mass ] Moles = [ 1.000g /…
Q: For breakfast, the nihilistic Rick Sanchez ate 100 g of cereal mixed with 20 g of milk. A 1.500 g…
A:
Q: A 4.908-g sample of a petroleum product was burned in a tube furnace, and the SO2 produced was…
A:
Q: Chromel is an alloy composed of nickel, iron, and chromium. A 0.6418-g sample was dissolved and…
A: The 0.6418 g sample contains three metals: nickel, iron, and chromium. This total sample is…
Q: How can you explain titrating with EDTA metals and how the molecules can bond?
A: EDTA (Ethylenediaminetetraacetic acid) EDTA is very good titrant used for quantitative estimation of…
Q: 5.00 mL aqueous sample containing hydrogen peroxide was diluted to 25 mL and analyzed by titration…
A: The balanced Chemical equation for Titration between permanganate ions and Hydrogen peroxide in…
Q: What is the acid/base ratio? Why is it important in the titrimetric process?
A: Acid base ratio is the exact amount of acid and base required to obtain a desired pH. This value can…
Q: A sample of alfalfa meal weighing 2.0 g is analyzed by Kjeldahl method for the percentage of…
A: Kjeldahl analysis is used for the quantitative determination of N in protein and other samples.
Q: . The brine solution has a significant amount of chloride, and it is determined by the Volhard…
A: Volume of AgNO3 = 15.25 ml Concentration of AgNO3 = 0.1163 M Volume of KSCN = 3.28ml Concentration…
Q: A 2.00 g serum sample is analyzed for protein by the modified Kjeldahl method. The sample is…
A: Solution -
Q: If a 3g sample of zinc oxide, 95% ZnO, were treated with 50ml of 1.1230N sulfuric acid in the usual…
A:
Q: H.W 1) Calculate the number of meq. of H;C:0.2H;0 (fw= 126.1) in 0.5 gm of the pure compound…
A:
Q: 0.316 grams of a sample containing chloride is taken and treated with an excess of 48.5 mL of 0.11 M…
A: Here we are required to find the percentage of chloride present in the sample
Q: The silver ion in a 25.00-mL sample was converted to dicyanoargentate (1) ion by the addition of an…
A: Given : Volume of silver ion solution = 25.00 ml Volume of EDTA solution used = 43.77 ml…
Q: The brine solution has a significant amount of chloride, and it is determined by the Volhard method.…
A: Given:- A 10.0-aliquot of the solution is treated with 15.25 mL of standard 0.1163 M AgNO3 solution…
The Zn in a 0.7556-g sample of foot powder was titrated with 21.27 mL of 0.01645 M EDTA. Calculate the percentage of Zn in this sample.
A silver nitrate solution contains 14.77 g of primary-standard grade AgNO3 in 1.00 L. What volume of this solution will be needed to react with 0.2631 g of NaCl.
Step by step
Solved in 3 steps
- As part of a geological team that studied a local cave, you brought with you a bunch of 1.00 g rock samples to be studied. Each rock was prepared and titrated against 0.050 M EDTA. a. Calculate the percent calcite (CaCO3) content of rock A if it was titrated with 48.0 mL EDTAAs part of a geological team that studied a local cave, you brought with you a bunch of 1.00 g rock samples to be studied. Each rock was prepared and titrated against 0.050 M EDTA.a. Calculate the percent calcite (CaCO3) content of rock A if it was titrated with 48.0 mL EDTAb. Calculate the percent brucite (Mg(OH)2) content of rock B if it was titrated with 76.5 mL EDTA0.28g 0f MBr is dissolved in distilled water and made up to 250mL mark in a volumetric flask. 25 mL of this solution is titrated against 0.019 M silver nitrate solution using eosin as indicator. The end point was obtained at 12.4 mL of AgNO3 solution . Calculate the molar mass of the metal bromide.
- 0.4545 g CaCO3 was dissolved in HCl and the resulting solution was diluted to 0.25 L. Twenty-five mL aliquot of this solution required 35.2 mL of EDTA upon performing titrimetric analysis. Determine the molarity of EDTAAn EDTA solution was prepared by dissolving approximately 3 grams of Na2H2Y•H2O in sufficient water to give 1 liter of solution. This solution was then standardized against 50.00 mL aliquots of 0.004517 molar Mg2+. An average titration volume of 32.22 mL was required. Determine the molar concentration of EDTA.A 3.25 g sample of an iron-containing mineral was dissolved in an acid medium and calibrated to 500 mL. A 25.00 mL aliquot was titrated with 0.0025 M KMnO4 spending a volume of 9.32 mL. Subsequently, a 25.00 mL aliquot was passed through a Walden reducer to later titrate it with the same permanganate solution, using a volume of 14.15 mL for the titration. Determine the percentage of Fe(III) in the sample and report it as % Fe2O3
- A chemist is given a piece of limestone and told that 50.00% of the sample exists as calcium oxide (CaO). To analyze the sample, the chemist wants to dissolve a portion of the sample in 100 mL and then titrate an aliquot (10 mL) using 0.005300 M EDTA. How much sample (in grams) is needed if a titration volume of 25.00 mL EDTA is desired?Calamine, which is used for relief of skin irritations, is a mixture of zinc and iron oxides. A 1.022-g sample of dried calamine was dissolved in acid and diluted to 250.0 mL. A 50.00 mL aliquot was suitably buffered and titrated with 2.40 mL of 0.002727 M ZnY-2 (Zn-EDTA) solution to allow the following reaction: Fe+3 + ZnY-2 → FeY- + Zn+2. Molecular mass: Fe2O3 = 165.74 a. The weight of sample in the aliquot portion is _________g ? b. the percentage composition of Fe2O3 in the sample is ______ % ?The aluminum in 0.200 g impure aluminum sulfate ( the sample) was precipitated with aqueous NH3and the precipitate was filtered and ignited to 10000C to give anhydrous Al2O3 (the residue) which weighs 0.150 g. Calculate the %Al ( the %sfc) in the sample.
- How can you explain titrating with EDTA metals and how the molecules can bond?The Zn in a 0.6803-g sample of foot powder was titrated with 27.3 mL of 0.04246 M EDTA. Calculate the percentage of Zn (65.39g/mol) in this sample.after dissolving in 50.0 ml of good water, the zinc in a 0.3232 gram sample of foot powder was titrated at a pH=11.0 with 19.67 ml of a 0.01222M EDTA solution. calculate the %Zn in this sample
