In the titration of 25.00 mL of a water sample, it took 20.840 mL of 4.350x 10−3 M EDTA solution to reach the endpoint. Calculate the number of moles of EDTA required to titrate the water sample. (enter your answer with 3 significant figures)

In the titration of 25.00 mL of a water sample, it took 20.840 mL of 4.350x 10−3 M EDTA solution to reach the endpoint. Calculate the number of moles of EDTA required to titrate the water sample. (enter your answer with 3 significant figures)

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 18.103QE

See similar textbooks

Related questions

Q: Part A - Reactions of Carbon Dioxide Gas 1. Place a small lump of dry ice into a large test-tube. To…

A: Dry Ice - It is basically solidified carbon dioxide. So basically Carbon -Dioxide was dissolved in…

Q: The hardness of 20,000 liters of a sample of water was completely removed by passing it through a…

A: Zeolite softener was used to remove the hardness of 20,000 liters of water sample completely.

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: 4. Calcium in a 200-ul serum sample is titrated with 1.87 x 10-4 M EDTA solution, requiring 2.74 mL.…

A: Calcium is reactive element which is reacts with the EDTA chemical and form complex compound .The…

Q: Calculate using 0.0500M EDTA, a. volume needed to titrate the Mg in 0.1975 g of MgCO3 (84.305 g/mol)…

A: Given data,Molarity of EDTA=0.0500MMass of Mg=0.1975gMolar mass of Mg=84.305g/mol

Q: Calculate the volume, in milliliters, of a 0.780 M KOH solution that should be added to 4.500 g of…

Q: Calculate the molar Y(4-) concentration in a 0.040M EDTA solution buffered to pH 11?

A: The ligand ethylenediamine tetra acetic acid form a strong complexe with many metal ion. It is an…

Q: Determine the molarity of the 10.00 mL standard EDTA solution titrated using 1.000 g zinc sulfate in…

Q: Starting a titration, the technician requires 200mL of a 0.22% (w/v) solution of citric acid,…

Q: Calculate the % KHP of 1.294 g sample which requires 48.25 mL of NaOH solution during the titration.…

A: Molarity of NaOH is not provided in the question. So I aassumed it to be X molar. Just put the value…

Q: For the titration of 50.0 mL of 0.0500 M Sn2+ with 0.100 M Tl3+. Both the titrand and the titrant…

A: Known [Sn2+] = 0.0500 M ; Volume = 50 mL [Tl3+] = 0.100 M ; Volume used = 5 mL Concentration of HCl…

Q: 0.178 L of aqueous HCl solution of unknown concentration was titrated with 0.825 M KOH (aq). 68.4 mL…

A: here the question:- one unknown M we have to calculate using the ' MVHCl=MVKOH volume of HCl =0.178L…

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: 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: Which statement is NOT correct? pH meter should always be standardized before using to…

A: For the accurate measurement of pH, the pH-meter must be standardised by a buffer solution of known…

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: A solution of nitrous acid (0.162 M, 23.82 mL) was titrated with 0.124 M sodium hydroxide (Ka = 4.00…

Q: What is the phenolphthalein alkalinity of a sample if 25 mL of a wastewater sample requires 27.5 mL…

A: Given: Volume of wastewater sample (V) = 25 mL Volume of H2SO4 required (A) = 27.5 mL Molarity of…

Q: A sample of water (200 mi.) was titrated by 0.05 M HZS04, The bitration completed when the color…

Q: For the titration of 50.0 mL of 0.0500 M Sn2+ with 0.100 M Tl3+. Both the titrand and the titrant…

A: Recall the given redox reaction, Sn2+ aq + Tl3+ aq → Sn4+ aq + Tl+…

Q: How much free lead (II) ion is present in a 95.4 mL of a solution that contains 136.8 microgram of…

A: Answer: Higher the formation constant, more stable will be the compound. The value of high stability…

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

Q: Which conjugate acid/base pair could be used to create a pH 3.20 buffer solution with the largest…

A: Buffer works well when - pH = pKa Ratio of [Conjugate base] / [Acid] = 1:1

Q: Calculate the change in pH that results from adding 0.160 mol NaNO2 to 1.00 L of

A: Ka = 7.2 ×10-4 pKa = -log(Ka) = -log(7.2×10-4) = 3.14 initially, weak acid HNO2 is present So,…

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: The concentration of ammonia in a water sample can be measured by electrode. Why does the pH of each…

Q: Salinity of seawater is S% = 3.35%, density if seawater is d = 1.025 g/mL. Titration volume of…

A: Answer: Data given- Salinity of sea water = 3.35% density of sea water = 1.025 g/ml. Concentration…

Q: If 10.00 mL sample of 0.01 M standard Ca2+ solution is titrated with 9.8 mL of EDTA solution, what…

A: In a Calcium-EDTA titration both reacts in equal proportion. EDTA itself is not so soluble so its…

Q: A 10 mL sample of sulfuric acid solution required 16.85 mL of NaOH solution in a titration. Each mL…

A: TITRATION Titration is a method of quantitative analysis for the determination of the concentration…

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 two water samples were collected as follows: Sample #1 with a pH = 8.8 and the concentration of…

A: The alkalinity of water is responsible due to the presence of a concentration of ions like…

Q: Write the balanced net ionic chemical equation for each of the following reactions: Mn(NO3)2 with…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Titration of an acidic solution of Na2C2O4Na2C2O4 with KMnO4(aq)KMnO4(aq). The balanced chemical…

A: The reaction is given as follows: 16H+(aq) + 2MnO4−(aq) + 5C2O42−(aq) → 2Mn2+(aq) + 8H2O(l) +…

Q: Write the balanced net ionic equation for the precipitation of lead (II) hydroxide from aqueous…

A: A net ionic equation is the chemical equation that shows only those ions, elements and compounds…

Q: Which of the following statements is correct for the titration of Fe2+ ion with standard Ce4+ ion?…

Q: Why do glass electrodes indicate a pH lower than the actual pH in 0.1 M NaOH?

A: Glass electrodes are highly sensitive for the determination of pH. It is usually ion selective…

Q: what is the value of magnesium in ppm in the sample?(Mg:24 g/mol)

A: The titration reaction is: Mg2+ + EDTA-4 ====> Mg(EDTA)-2 Let us first calculate moles of EDTA…

Q: Calculate the pH of a solution containing 0.085 M nitrousacid (HNO2, Ka = 4.5 x 10-4) and 0.10 M…

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: 16.94. Fluoride and Dental Hygiene Fluoride ions in drinking bortita water and toothpaste convert…

A: Since in hydroxyapatite we have OH ions present which will have much more tendency to form H bonds…

Q: What is the most appropriate glassware to be used in transferring a 1.000 M Na2CO3 primary standard…

A: Practical physical chemistry:

Q: Calculate the equilibrium constant for the following reaction at 25°C: Fe"(aq) 2Ag(s) Fe(s) 2Ag (aq)

A: The detailed solution of your question given below-- Since, we know that according to the law of…

Q: 1. Write and balance chemical reactions that happen when Pt is dissolved using aqua regia forming…

A: The chemical reaction for the formation of H2PtCl6 is given below

Q: The voltage measured by the pH meter is linearly proportional to the "H+ concentration" of the…

A: Concept is based on pH.

Q: 4. Which of the following statement is true A. The change in potential in the equivalence-point…

A: Since you have asked multiple questions we will answer the first one for you. To get the remaining…

Q: calculate the concentration of Ca2+ in a saturated solution of Ca(OH)2 (ksp= 0.0000055) with a pH of…

A: pH=12.55 pOH =14-12.55 = 1.45 pOH =1.45 pOH =-log [OH-] [OH-]=10-1.45 [OH-]=0.0355 M

Q: 3. Which ion is formed during nitration with a mixture of nitric and sulfuric acid? a. HSO, b. NO2…

A: Given, Which ion is formed during nitration with a mixture of nitric and sulfuric acid ? Options…

Q: Use activity coefficients to find the concentration of hydrogen ions in a solution of 50.0 mM…

Q: When creating Alum KAl(SO4)2.H2O: Why was 30 mL of ethanol added to a filtered solution of aluminum…

A: Preparation of alum, reason of adding ethanol and placed it on the ice is given below.

Question

In the titration of 25.00 mL of a water sample, it took 20.840 mL of 4.350x 10⁻³ M EDTA solution to reach the endpoint.

Calculate the number of moles of EDTA required to titrate the water sample. (enter your answer with 3 significant figures)

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

You used the back-titration method to experimentally determine the amount of CaCO3 in an Ultra Strength Tums antacid tablet. You calculated that you used 21.5 mmol HCl to complete the titration of a 2.139 g Tums tablet. What is the mass (in mg) of the active ingredient in the Tums tablet? (CaCO3 = 100.1 g/mol)
Calculate the change in pH that results from adding 0.160 M NaNO3 to 1.00 L of 0.160 HNO3 (aq).
how does the common ion effect affect the precision or accuracy of lead analysis? an example reaction to think of is copper sulfate reacting with lead acetate
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. Calculate the percent brucite (Mg(OH)2) content of rock B if it was titrated with 76.5 mL EDTA
The alkalinity of a river was determined to be 5 x 10-3 mol H+/L and its pH is 8. Calculate the concentrations of CO32- and HCO3- in the river.
1. Formic acid, HCO2H, is the irritant that causes the body’s reaction to ant stings. Consider a 0.515M solution of formic acid, with Ka = 1.8 x 10-4. Calculate the fraction of deprotonation for this acid solution. Now consider a solution containing 0.515 M formic acid and 0.125 M sodium formate (NaCO2H). Calculate the pH of this solution.
Explain the difference in pH between diH2O and tap water
In an experiment, in which the concentrations of Lead and Copper are determined using AAS, I have a few questions about the LOQ and LOD. What is the LOQ and LOD? How do they influence each other? And what is the reason for having low LOD and LOQ values? Could you elaborate on that...
50 mL of a sample known to contain Mg+2 was taken and titrated with 0.075 M EDTA standard solution by adding pH 10 buffer and EBT indicator. Since the EDTA consumption is 10.5 mL, what is the amount of magnesium in the sample in ppm?
Alkalinity is normally measured in terms of CaC03. What is the formula weight of this compound? In what way might this formula weight make CaC03 a convenient reference material for alkalinity?
Balance in acid medium: iodate ion + sulfite ion : then {HNO3} : iodine + sulfate ion 10 ml of 6N HNO3 are mixed with 15 ml of 10N sodium sulfite. How many milliliters of 1.4 M sodium iodate are needed for the reaction to take place?
Calculate the pH of a solution containing 0.085 M nitrousacid (HNO2, Ka = 4.5 x 10-4) and 0.10 M potassium nitrite(KNO2).