2. 25.00-mL aliquots of the solution in problem 1 are titrated with EDTA to the calmagite end point. A blank containing a small measured amount of Mg²+ requires 2.12 mL of the EDTA to reach the end point. An aliquot to which the same amount of Mg2+ is added requires 25.88 mL of the EDTA to reach the end point. How many mL of EDTA are needed to titrate the Ca2+ ion in the aliquot? а. mL b. How many moles of EDTA are there in the volume obtained in a.? - mol c. What is the molarity of the EDTA solution? - M

Q: The concentration of a solution of EDTA was determined by standardizing against a solution of Ca2+…

A: The question is based on the concept of complexometric titration. we need to calculate concentration…

Q: Calculate the concentration of an unknown solution if the titration used 4.6 mL of DCPIP solution to…

A: Introduction: A titration is a method used to find the unknown concentration of the solution from…

Q: 2. In the pH metric titration of strong and weak acid mixture against strong alkali, generally first…

A: question based on pH metric titraton

Q: 3) After neutralizing a 50 mL water sample, pH 10 buffer and Erio-T indicator are added. Then 6.1 mL…

A:

Q: A 50.00 ml aliquot of a solution containing Ca2+ and Mg2+ was buffered at pH 10 and titrated with…

A: The objective of the question is to calculate the molar concentration of Mg2+ in a solution. This…

Q: In order to adjust the EDTA solution, 10 mL of 0.01M Ca + 2 sample was taken and 10 mL of pH 10…

A: Ca2+ ions forms a complex compound with EDTA ligand. One mole of Ca2+ inos form complex with one…

Q: A 15.00 mL urine specimen containing Ca2+ and Mg2+ was diluted to 2.000 L. A 10.00 mL sample was…

A:

Q: Find the concentration of 50.0 ml of an acidified Fe2+ solution if 18.72ml of 0.01500M solution of…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: A 49.10 mL aliquot from a 0.500 L solution that contains 0.530 g of MnSO4 (MW=151.00 g/mol) required…

A: Solution -

Q: titration of 50.00 mL of 0.1100 M Fe3+ with 0.07750 M Sn2+ is carried out. The analytical reaction…

A:

Q: An unknown Ca solution was prepared by weighing a 2.122 g sample, dissolving it in HCI and then…

A:

Q: The titration of Zn+2 and EDTA is carried out in the same manner as the Mg+2-EDTA titration. In this…

A: It is explained as given below :

Q: An unknown Ca solution was prepared by weighing a 2.122 g sample, dissolving it in HCl and then…

A:

Q: In the titration of 25.00 mL of a water sample, it took 20.690 mL of 4.050x 10−3 M EDTA solution to…

A: Number of moles of EDTA is determined as follows,

Q: the MOST appropriate glassware to be used in transferring a 1.000 M Na2CO3 primary standard solution…

A: Proper glassware should be used in the lab to ensure that there are no spills and loss of reagents…

Q: In order to adjust the Potassium Permanganate solution, 0.0544g Na2C2O4 was taken and necessary…

A:

Q: 20. Assume you are using 0.1 M EDTA to titrate a 0.2 M Ca* solution (25 mL) at pH 10.0. V molarity…

A: Calculation of no. of mol of Ca2+: n=Molarity×Volume=0.2 mol/L×25×10-3 L=5×10-3 mol Calculation of…

Q: A 1.000 mL aliquot of a solution containing Cu²+ and Ni²+ is treated with 25.00 mL of a 0.03703 M…

A: The objective of the question is to find out the volume of 0.02138 M Zn²+ required for the back…

Q: Titration of 0.2121 g of primary standard Na C,0, (133.999 g/mol) required 21.66 mL of KMnO,…

A: Given that:  Mass of Na2C2O4 = 0.2121g Molar mass of Na2C2O4 = 133.999g/mol Moles of Na2C2O4 =…

Q: pH 10 buffer

A: Eriochrome Black T (EBT) is a complexometric indicator that is used in complexometric titrations.…

Q: A 1.000 mL aliquot of a solution containing Cu²+ and Ni²+ is treated with 25.00 mL of a 0.03703 M…

A: Given,Concentration of EDTA = 0.03703 M

Q: 4.50 mL of 0.1 M Ca2+ ion was titrated at pH 10 with 0.1 M EDTA. What will be the concentration of…

A:

Q: 47.6 mL aliquot from a 0.5 L solution that contains 0.45g of MnSO4 (MW is 151 g/mol) required 41.9…

A:

Q: A 1.000 mL aliquot of a solution containing Cu²+ and Ni2+ is treated with 25.00 mL of a 0.03992 M…

A: Given, Concentration of EDTA = 0.03992 M

Q: 50.00 mL of a solution containing both Ni2* and Pb²+ ions requires 46.32 ml of a 0.02041 M EDTA…

A:

Q: In complexation volumetry, classify the statements below as true or false. Justify the one(s) that…

A: EDTA i.e. Ethylenediaminetetraacetic acid is a well known metal-chelating agent, it is hexadentate…

Q: Titration of 25.0 mL of a 0.0500 M Zn2+ solution with 0.0550 M EDTA in a solution buffered at pH 8.…

A: Conditional formation Constant, Kf’ can be determined as follows: where Kf is the formation…

Q: uffered at a pH of 10, is titrated with 0.008946 M EDTA using the Calmagite indicator. A s required.…

A: The question is based on the concept of complexometric titrations. We need to calculate hardness of…

Q: Titration of 0.2121 g of primary standard NagC;0, Calculate the molar concentration of KMnO,? 2…

A:

Q: If a 35.0-mL water sample required 10.25 mL of 0.0150 M EDTA solution to reach equivalence point,…

A:

Q: You titrate 50.00 mL of hard water with 14.86 mL of 0.0100 M EDTA solution. How many moles of Ca²+…

A:

Q: consider the following Ksp values: -gCN = 2.2 x 10-16 AglO3 = 3.1 x 10-8 AGSCN = 1.1 x 10-12 Agl =…

A:

Q: Sample of calcium was buffered to pH 10 prior to analysis. A 25 mL urine sample required 17.25 ml of…

A: The analysis of calcium and magnesium in the urine sanple is done using complexometric titration…

Q: A 47.90 mL aliquot from a 0.500 L solution that contains 0.480 g of MnSO4 (MW= 151.00 g/mol)…

A: The objective of the question is to determine the mass of calcium carbonate.

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: Using the graph given, which metal can be titrated better with EDTA? A)Fe3+ B) Fe2+ C) Ca2+ D) Hg2+

A: From the graph ,it is clear that Fe 3+ has highest complex formation constant .

Q: Construct a titration curve (pCl^- vs. Vtitrant) for the titration of 25.0 mL of 0.100 M Cl^–…

A: Calculation of initial moles of Cl-: n=Molarity×Volume=0.100 mol/L×25.0×10-3 L=0.0025 mol Case 1:…

Q: A 1.000 mL aliquot of a solution containing Cu²+ and Ni²+ is treated with 25.00 mL of a 0.03169 M…

A: Given: 1.00  mL aliquot containing Cu2+ and Ni2+ is treated with 25.00 mL of 0.03169 M EDTA Back…

Q: What is the mass of pure dry CaCO3 (MW: 100.0869 g/mol) standard used in the standardization of EDTA…

A: A question based on mole concept that is to be accomplished.

Q: Consider the titration of 150.0 mL of a 0.225 M solution of (C2H5)NH with 0.45 M HCl(aq).  Kb= 4.3…

A: (C2H5)2NH is a weak base with Kb = 4.3*10-4. HCl is a strong acid. Hence (C2H5)2NH and HCl will…

Q: A 50.00 ml aliquot of a solution containing Ca2+ and Mg2+ was buffered at pH 10 and titrated with…

A: The objective of the question is to calculate the molar concentration of Mg2+ in the given solution.…

Q: A solid containing tris was dissolved in water and brought to a total volume of 50.00 ml. A 10.00 ml…

A:

Q: Is this for Average Molarity of EDTA Standard Solution? Then, would it be always the same with…

A: Recall the given equation,                       Ca2+ aq  +  EDTA4- aq  →  CaEDTA2- aqHere, we…