A 47.00 ml aliquot from a 0.490 L solution that contains 0.410 g of MnSO, (MW = 151.00 g/mol) required 40.7 mL of an EDTA solution to reach the end point in a titration. What mass, in milligrams, of CaCO, ( MW = 100.09 g/mol) will react with 1.61 ml. of the EDTA solution? mass: mg

A 47.00 ml aliquot from a 0.490 L solution that contains 0.410 g of MnSO, (MW = 151.00 g/mol) required 40.7 mL of an EDTA solution to reach the end point in a titration. What mass, in milligrams, of CaCO, ( MW = 100.09 g/mol) will react with 1.61 ml. of the EDTA solution? mass: mg

Chemical Principles in the Laboratory

11th Edition

ISBN:9781305264434

Author:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Publisher:Emil Slowinski, Wayne C. Wolsey, Robert Rossi

Chapter28: Determination Of The Hardness Of Water

Section: Chapter Questions

Problem 3ASA: A 100-mL sample of hard water is titrated with the EDTA solution in Problem 2. The same amount of...

See similar textbooks

Related questions

Q: The amount of calcium in physiologic fluids can be determined by a complexometric titration with…

A: EDTA( Ethylene diamine tetraacetic acid) is a very large molecule and a chelating agent. It forms…

Q: aria wants to determine the concentration of Calcium ions in water from their well. She used a 100.0…

A: Maria wants to determine the concentration of Calcium ions in water from their well. She used a…

Q: 0.5131-g sample containing KBr is dissolved in 50 mL of distilled water. Titrating with 0.04614 M…

A: The reaction will be: KBr(aq) + AgNO₃(aq) → KNO₃(aq) + AgBr(s) From the reaction- 1 mole of KBr…

Q: For the complexiometric titration of Ca2 + ions in the shell of the egg sample weighing 62.576 g,…

Q: To adjust the EDTA solution, a 0.01 M 10 mL Ca+2 sample was taken and 10 mL of pH 10 buffer was…

A: A numerical problem based on complexometric titrations, which is to be accomplished.

Q: A) Cyanide ion (CN') causes toxicity to humans, explain the reason of its toxicity to us. Suggest a…

Q: 6mL of 125mM EDTA was added to 244mL of water. The resulting solution was added to 219mL of water…

A: MW of EDTA =292.24 g initial molarity of EDTA = 125mM

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: Calculate weight percentage of Cl in the solid sample. A 0.4263-g solid sample containing NaCl and…

A: Titration is a laboratory quantitative technique in chemistry that is used to determine the…

Q: A Na,CO3 standard solution is prepared by transferring 2.4817 grams of primary standard-grade sodium…

A: Answer: This question is based on stoichiometric calculation where moles sodium carbonate will be…

Q: 100.0 mL sample of drinking water was buffered with ammonia at pH 10 and after addition of EBT…

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

Q: 0.257600 grams was dissolved in acid and was diIuted to 250mL. From the sample, 100mL aliquot was…

A: The question is based on the concept of quantitative estimation . we have to calculate percentage…

Q: For the standardization procedure, 0.2023 g of anhydrous sodium carbonate was dissolved in 100 mt…

A: mass of anhydrous sodium carbonate, Na2CO3(s) taken for standardization = 0.2023 g Molar mass of…

Q: Determine the molar concentration of an EDTA solution of which 26.44 mL were required to titrate a…

Q: A chemist titrates 30.0 mL of a sample solution containing CI-(aq) ions with a 0.0489 mol/L…

A: The balanced reaction taking place is given as, Given : Concentration of KMnO4 = 0.0489 M Volume of…

Q: What is the equation for I- titrated with the IO3 standard solution.

Q: A 0.72g sample of foot powder containing Zinc was titrated with 21.3mL of 0.02M EDTA. Calculate the…

Q: A 150-ml sample of water containing Ca2+ and Mg2+ was treated with sodium hydroxide solution to…

A: EDTA complexometric titrations are based on the fact that many metallic ions form stable complexes…

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 0.2431 g sample of CaCO3 is dissolved in 6 M HCl and the resulting solution is diluted to 250.0…

A: Mass of sample=0.2431 g Molar mass of CaCO3= 100.08 g /mol Titrated volume = 25 mL Total volume =…

Q: An EDTA solution was prepared by dissolving approximately 3 grams of Na2H2Y•H2O in sufficient water…

A: Given: Volume of Mg2+ ions = 50.00 mL = 0.050 L Molar concentration of Mg2+ = 0.004517 M Volume of…

Q: A 0.5131-g sample containing KBr is dissolved in 50 mL of distilled water. Titrating with 0.04525 M…

Q: Titration of 0.2342 g of pure Na,C,0, (134.0 g/mol) required 33.45 ml of KMNO, solution according to…

Q: The standardization of a KSCN solution against 0.3341 g of primary standard grade AgNO3 (M.M.…

A: standardization of KSCN by AgNO3 an aliqout of the sample of KSCN is taken and titrated against…

Q: A 25.00 mL sample of water, buffered at a pH of 10, is titrated with 0.008989 M EDTA using the…

A: The hardness in water can be calculated using EDTA which binds with metal ions like Ca and Mg.

Q: A 25.0025.00 mL solution of 0.088300.08830 M NaINaI is titrated with 0.051500.05150 M AgNO3AgNO3.…

A: Consider dissolution of AgI as AgI (s) Ag+(aq) + I -(aq) For the above reaction, Ksp =[ Ag+ ][I-]…

Q: For the complexometric titration of Ca (II) ions in the shell of the egg sample weighing 59.427 g,…

A: Molar ratio in which calcium ions bind EDTA is 1:1

Q: 2. 25.00-mL aliquots of the solution in problem 1 are titrated with EDTA to the calmagite end point.…

A: (A) The volume of EDTA required for blank titration is 2.12 mL. The volume of EDTA required for…

Q: Calcium is determined in serum by microtitration with EDTA. A 100 microliter sample is treated with…

A: Volume of sample (V1) = 100μl = 0.0001L Volume of EDTA (V2) = 0.203mL = 0.000203L Molarity of EDTA…

Q: 3. A 100-mL sample of hard water is titrated with the EDTA solution in problem 2. The same amount of…

A: Solution for Q3 and parts are asked.

Q: 0.5131-g sample containing KBr is dissolved in 50 mL distilled water. Titrating with 0.04614 M AgNO3…

A: Mohr titration is a way to quantify Br- and Cl - ions in the solution The reaction is KBr(aq) +…

Q: Calculate pFe+ at each of the points in the titration of 25.00 mL of 0.02019 M Fe by 0.03626 M EDTA…

A: Given: Volume of Fe2+ = 25.00 mL Concentration of Fe2+ = 0.02019 M Concentration of EDTA = 0.03626 M…

Q: A 150-ml sample of water containing Ca2+ and Mg2+ was treated with sodium hydroxide solution to…

A: Many metal ions form stable complexes with Ethylenediaminetetraacetic acid (EDTA) so EDTA is used to…

Q: The phosphate in a 3.000-g sample of industrial detergent was precipitated by the addition of 1.000…

A: According to guidelines i can answer only first three sub parts

Q: 20.0 mL of a 0.125M A- is titrated with 0.250M B+. The solubility product Ksp for AB is 2.4x10^-14.…

A: Given the volume of 0.125 M A-(aq) = 20.0 mL * (1L/1000 mL) = 0.020 L => moles of A-(aq) taken =…

Q: EXAMPLE: Chromium(III) is slow to react with EDTA (HAY) and is therefore determined by…

A: The question is based on the concept of quantitative estimation. We have to determine amount of…

Q: An EDTA solution is standardized against 0.3982 g of 99.99% CaCO3 (100.09 g/mol) dissolved in HCl…

A: given data mass of CaCO3 is 0.3982g the volume of EDTA Is 38.00Ml pH is 10.0

Q: which of the following is the concentration of the EDTA solution in terms of molarity

A: Solution: Here given experimente is carried out to know concentration of EDTA solution. Where,…

Q: Calculate the potential at the equivalence point in the titration of 100 mL 0.100 M Fe2+ in 0.500 M…

A: The electrode potential of the cell is defined as the potential difference across the electrodes of…

Q: 14. The composition of TE buffer is 10 mM Tris-HCI, 1 mM EDTA. You are given a stock solution of 1M…

A: Since you have posted multiple questions, we will solve first one question for you. To get remaining…

Q: For the complexometric titration of Ca (II) ions in the shell of the egg sample weighing 59.427 g,…

A: At first we will determine the concentration of Ca2+ in the given 100mL solution. Then we'll extend…

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: A sampie of water (200 mil) was titrated by 0.05 M HZS04. The bitrabion completed when the color…

A: Answer: Given that We have to calculate normality of H2SO4…

Q: For the complexometric titration of Ca (II) ions in the shell of the egg sample weighing 59.427 g,…

A: If we first determine the concentration of calcium ion in the diluted 100 ml solution by calculating…

Q: 50 mL of a sample known to contain Mg+2 was taken and titrated with 0.075 M EDTA standard solution…

Q: Calcium is determined in serum by microtitration with EDTA. A 100-μL sample is treated with two…

A: Volume of sample = V1 = 100ml = 0.1L Volume of EDTA = V2 = 0.203L Molarity of EDTA = M2 = 0.00122 M…

Q: A 0.4263 g solid sample containing NaCl and KBr only was dissolved in 50 mL of water and titrated to…

Q: the percentage of ZnO in the sample?

Question

A 47.00 ml aliquot from a 0.490 L solution that contains 0.410 g of MnSO, (MW = 151.00 g/mol) required 40.7 mL of an
EDTA solution to reach the end point in a titration. What mass, in milligrams, of CaCO, ( MW = 100.09 g/mol) will react
with 1.61 ml. of the EDTA solution?
mass:
mg

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

A 100-mL sample of hard water is titrated with the EDTA solution in Problem 2. The same amount of Mg2 is added as previously, and the volume of EDTA required is 31.84 mL. a. What volume of EDTA is used in titrating the Ca2 in the hard water? _____________mL b. How many moles of EDTA are there in that volume? _____________ moles c. How many moles of Ca2 are there in the 100 mL of water? _____________ moles d. If the Ca2 comes from CaCO3, how many moles of CaCO3 are there in one liter of the water? How many grams of CaCO3 are present per liter of the water? _____________ mol / L _____________ g / L e. If 1 ppm CaCO3 = 1 mg per liter, what is the water hardness in ppm CaCO3? _____________ ppm CaCO3
6mL of 125mM EDTA was added to 244mL of water. The resulting solution was added to 219mL of water and the pH was adjusted to 8.0 using 6mL of NaOH. A further 25mL of water was added. What is the concentration of the final solution (in micromolar)? MW of EDTA is 292.24, MW of NaOH is 39.99
A 49.10 mL aliquot from a 0.500 L solution that contains 0.530 g of MnSO4 (MW=151.00 g/mol) required 41.6 mL of an EDTA solution to reach the end point in a titration. What mass, in milligrams, of CaCO3 ( MW=100.09 g/mol) will react with 1.53 mL of the EDTA solution?
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 0.4071-g sample of pure CaCO3 was transferred to a 500-mL volumetric flask, dissolved using a minimum of 6 M HCl, and diluted to volume. After transferring a 50.00-mL portion of this solution to a 250-mL Erlenmeyer flask, the pH was adjusted by adding 5 mL of a pH 10 buffer. After adding an indicator, the solution was titrated with the EDTA, requiring 42.63 mL to reach the end point. What is the concentration of EDTA? Choices: 0.0191 M, 0.0955 M, 0.00955 M, 0.477 M
A 0.2431 g sample of CaCO3 is dissolved in 6 M HCl and the resulting solution is diluted to 250.0 mL in a volumetric flask. Titration of a 25.00 mL sample of the solution requires 28.55 mL of EDTA to reach the Eriochrome Black T endpoint. A blank containing the same amount of Mg2+ requires 2.60 mL of EDTA. What is the molarity of the EDTA solution?
The phosphate in a 3.000 g sample of industrial detergent was precipitated by the addition of 1.000 g of AgNO3. The solution was filtered and the filtrate required 18.23 mL of 0.1377 M KSCN for titration to the FeSCN2+ end point. Calculate the percentage of phosphate in the detergent.
A 0.4263 g solid sample containing NaCl and KBr only was dissolved in 50 mL of water and titrated to the Ag2CrO4 end point, requiring 36.85 mL of 0.1120 M AgNO3. A blank titration requires 0.71 mL of titrant to reach the same endpoint. Calculate the weight percentage of Cl in the solid sample.
Calculate weight percentage of Cl in the solid sample. A 0.4263-g solid sample containing NaCl and KBr only was dissolved in 50mL of water and titrated to the Ag2CrO4 end point, requiring 36.85 mL of 0.1120 M AgNO3. A blank titration requires 0.71 mL of titrant to reach the same endpoint.
The protein content of wheat flour can be determined reasonably accurately by multiplying the percentage of nitrogen present by 5.7. A 2.06-g sample of flour was taken through a Kjeldahl procedure and the ammonia produced was distilled into a boric acid solution. If this solution required 34.70 mL of 0.174 N HCl for titration to the methyl red end point, what is the a) % Nitrogen and b) % protein in the flour? (Use 1:1 stoich ratio between N and HCl)
For complexometric titration of Ca (II) ions in the shell of an egg sample weighing 59,427 g, the necessary processes were applied to the egg shells and a sample of 100 mL was prepared. From the prepared sample, 1 mL was taken and diluted to 100 mL, the pH was adjusted, and two drops of EBT indicator were dripped on it. The prepared solution was titrated with 27.4 mL of EDTA solution set at 0.0097 M. Calculate the amount of calcium in the sample in CaCO3%. (Ca = 40g / mol, CaCO3= 100g / mol)
For the complexometric titration of Ca (II) ions in the shell of the egg sample weighing 59.427 g, necessary procedures were applied to the egg shells and 100 mL sample was prepared. 1 mL of the prepared sample was taken and diluted to 100 mL, the pH was adjusted, and two drops of EBT indicator were dropped on it. The solution prepared was titrated with 27.4mL of 0.0097 M EDTA solution. Calculate the amount of calcium in the sample in terms of% CaCO3. (Ca = 40 g / mol, CaCO3 = 100g / mol)