A 15.0 mL sample of 0.0100 M Cu²+ buffered at pH 9.00 is titrated with 0.0300 M EDTA. Calculate pCu2+ at each of the addedvolumes of EDTA. For the Cu²+_EDTA complex, log Kf is 18.78. The fraction of free EDTA in the Y4- form, ays-, can befound in this table.O mL pCu2+ =2Enter numeric value1.67 mL pCu?+ =2.229.495.00 mL pCu²+ =Incorrect10.00 mL pCu²+Incorrect

Given: Volume of Cu2+ = 15.00 mL Concentration of Cu2+ = 0.0100 M pH=9.00 To Calculate pCu2+ for…

A 15.0 mL sample of 0.0100 M Cu²+ buffered at pH 9.00 is titrated with 0.0300 M EDTA. Calculate pCu²+ at each of the added volumes of EDTA. For the Cu²+ –EDTA complex, log K; is 18.78. The fraction of free EDTA in the Y4- form, ays- , can be found in this table. 0 mL pCu²+

A 15.0 mL sample of 0.0100 M Cu²+ buffered at pH 9.00 is titrated with 0.0300 M EDTA. Calculate pCu²+ at each of the added volumes of EDTA. For the Cu²+ –EDTA complex, log K; is 18.78. The fraction of free EDTA in the Y4- form, ays- , can be found in this table. 0 mL pCu²+

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: Sometimes it is not possible to indicate the end point of a titration. a) How can one proceed then…

A: The question is based on the concept of titrations. it is a volumetric technique to determine the…

Q: Calculate the solubility of PLCCNy IN a 12M solution of CacCN), KSP FOR Pb (CN) = 4.8x10-51

Q: Consider the titration of 25.0mL 0.020M of Co(NO3)2 with .0100M EDTA in a solution buffered to pH…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to the…

Q: The following statements are ways to mitigate EDTA titration's low sensitivity EXCEPT A. Buffer at…

A: E. None of the choices. The low sensitivity of EDTA titration can be mitigated by using a buffer…

Q: C- Al is determined by titrating with EDTA Al +H;Y AIY +2H 0.5 mg sample required 20.5 ml. EDTA for…

Q: II. 3. Compleximetry A drinking water sample was analyzed for Mg and Ca. Titration of a 25.00 mL…

A: The objective of the question is toCalculate the titer.Calculate the concentration Calculate the…

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: Demonstrate that Cu2+ can be titrated by EDTA in the presence of [CH3COO-] = 0.17 M and pH 9.5. b.…

A: The objective of this question is to show the concentration of Cu2+ ions in a sample using EDTA…

Q: Calculate pFe2+ at each of the points in the titration of 25.00 mL of 0.02165 M Fe2+ by 0.03614 M…

Q: what is the solubility of ZnCO3 at 25C in a buffer solution with a pH of 10.20? ksp=1.2 x 10^-10

A: Given that the pH = 10.2 pOH = 14 - pH = 14 - 10.2 = 3.8Then, the equations are :

Q: Using the graph given, which metal can be titrated better with EDTA and why? Fe3+ Fe2+ Ca2+ Hg2+

A: This is a method of quantitative estimation of concentration of unknown solution by titrating it…

Q: A solution was prepared by mixing 4.00mL of 2.00 x 10-3 M Fe(NO3)3 and 3.00mL of 5.00 x 10-3 M NaSCN…

A: The balanced equilibrium reaction is: Fe3+(aq) + SCN-(aq) ⇌ FeSCN2+(aq) ; Kc = 148.4575 The average…

Q: The higher the ammonia concentration, the less sharper the end point for the EDTA-Zn²+ complex.

A: No. Of moles of KOH in 26.66ml of 0.15M KOH = (0.15/1000)*26.66 =0.0039 mol No. Of moles of…

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

Q: 50.00 ml of a 0.0500 M Ni2+ solution, whose pH is adjusted to pH=11 and the solution is additionally…

A: The titration of 50.00 mL solution of 0.0500 M Ni2+ is carried out with 0.100 M EDTA solution while…

Q: Which of the following statements regarding complexometric titrations is incorrect ? OIn the pH…

A: Complexometric titration : It's a type of volumetric analysis in which the end point of the…

Q: Calculate the pZn value after the addition of 25 mL of titrant in the titration of 50 mL of 0.01 M…

Q: Equilibrium Concentration Fe[SCN]?* Vol of Fe* Vol of SCN- 0.05 M HNO, (mL) (mL) (mL) 10.00 0.00…

A: The molarity of Fe(NO3)3 solution is 0.200 M. The molarity of NaSCN solution is 0.002 M.

Q: Calculate pMn when 50.00 ml. of 0.100 0 M Mn is titrated with 25.00 ml. of 0.200 0 M EDTA. The…

A: The balanced equation for the reaction between Mn2+(aq) and EDTA, Y4-(aq) is: Mn2+(aq) + Y4-(aq) ⇌…

Q: What is the rationale of using EDTA as titrant and EBT as indicator for determining the hardness of…

A: EDTA forms 1:1 complexes with most metals. EDTA complexes are usually stable water soluble complexes…

Q: Calculate the solubility of Ca3(PO4)2 (a) in pure water and (b) in a solution in which [PO4³-] 0.112…

Q: Plot the titration curve of a 0.001 M zine sulfate solution against a 0.002 M EDTA solution. Assume…

A: The objective of this question is to plot the titration curve of a 0.001 M zinc sulfate solution…

Q: Determine the molar concentration of free Cu2+ in a solution prepared by combining 50.00 mL of…

A: When complex formation occurs between an analyte and titrant, the formation is measured with the…

Q: Which of the following statements regarding complexometric titrations is incorrect O The higher the…

A: Complexometric titrations: It is a kind of Volumetric analysis , where formation of colored complex…

Q: QUESTION 4: Compare the changing of ion, covalent property in the compounds: Al(NO,), B(NO,)3, KNO3…

A: Fajans rule is use to predict whether a chemical band is ionic or covalent, and depend on the…

Q: Regarding EDTA titrations and other complex forming reactions, indicate T or F 1) The relevant…

A: 1) False 2) False (6 Binding sites) 3) True ( Eriochrome Black T changes color from blue to pink.)…

Q: Which of the following statements regarding complexometric titrations is Incorrect O The higher the…

A: Complexometric titrations: It is a kind of Volumetric analysis , where formation of colored complex…

Q: vity/Student Guide Big Idea Assessments A certain brand of zinc cold medicine is marketed as…

A: The students know when the end point is achieved because the color of the solution changes.…

Q: Calculate for the molar concentration of the Mg-EDTA complex during the titration of 48.0 ml of…

A: αY4- = 4.8*10-4 The balanced equation for the formation of Mg-EDTA complex is: Mg2+(aq) +…

Q: buffered at pH 10 and after a ddition of Eriochrome Black T required 1 1 mL of 0.00499 M EDTA for…

A: We are given 100 mL sample of drinking water was buffered at pH 10. Erichrome black T was added and…

Q: In water analysis using back-titration technique, 1) What are the names of the anions that form…

A: 1. Chloride (Cl-) and sulfate (SO42-) are the anions that form water-insoluble salt with Ag (aq). 2.…

Q: Calculate pFe²+ at each of the points in the titration of 25.00 mL of 0.02037 M Fe²+by 0.03675 M…

Q: asap Compare the two quantities based on the given condition: Consider the analysis of Fe in ore…

Q: The formation constant for [Cu(CN)2]` is 1.0 × 1016, what is the value of the dissociation constant…

Q: Please answer the following pertaining to analytical chemistry.

A: The objective of the question is to identify the order of precipitation.

Q: No precipitate forms when 24 mL of 0.17 M sodium fluoride is added to 55 mL of 0.22 M cadmium (II)…

A: Answer. Ksp< 4.084 x 10-4

Q: (f) Why alternating current is used for conductometric measurements? (g) What will happen if large…

A: h) the integrated rate equation for a first order reaction is given by, ln[A] = -kt+ln[A0] Where [A]…

Q: C. Sketch the photometric titration curve for the reaction of Fe (100 mL, colorless, 10 ppm) with…

A: Photometric Titration: This is a titration in which the absorbance of the solution is used to…

Q: 5) Calculate the % of Cd(OH) among all the cadmium complexes below in a pH 13 solution saturated…

A: [OH-]=10-pOH=10-1=0.1

Q: 11) Will a 0.15 M solution of NH3 be sufficient to keep Zn2+ from precipitating from a solution of…

Q: A 1.000 mL. aliquot of a solution containing Cu" and Ni²* is treated with 25.00 ml. of a 0.03468 M…

A: Given: The solution of 1 mL aliquot containing Cu2+ and Ni2+ is titrated with 25 mL of 0.03468 M…

Q: Determinethe concentration of an EDTA solution given that a 20.00 mLsample of 0.02491M Zn2+was…

A: Dear Student EDTA is a complexometric ligand and is used in complexometric titrations. EDTA is a…

Question

A 15.0 mL sample of 0.0100 M Cu²+ buffered at pH 9.00 is titrated with 0.0300 M EDTA. Calculate pCu2+ at each of the added
volumes of EDTA. For the Cu²+_EDTA complex, log Kf is 18.78. The fraction of free EDTA in the Y4- form, ays-, can be
found in this table.
O mL pCu2+ =
2
Enter numeric value
1.67 mL pCu?+ =
2.22
9.49
5.00 mL pCu²+ =
Incorrect
10.00 mL pCu²+
Incorrect

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

Step 2

Step 3

Step 4

Step 5

Trending now

This is a popular solution!

Step by step

Solved in 5 steps

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

The % (w/w) I- in a 0.6712-g sample was determined by Volhard titration. After adding 50.00 mL of 0.05619 M AgNO3 and allowing the precipitate to form, the remaining silver was back-titrated with 0.05322 M KSCN, requiring 35.14 mL to reach the endpoint. Report the %(w/w) I- in the sample. [Ans. 17.76 % (w /w)]
Calculate pMn² 0.81. Kr-7.76 0.33 when 50.00 mL of 0.100 0 M Mn² is titrated with 25.00 mL of 0.200 0 M EDTA. The titration is buffered to pl 11, for which a 1013 for MnY2-
3. Calculate the pZn of solutions prepared by adding 15.0, 25.0, and 35.0 mL of 0.100M EDTA to 50.0 mL of 0.00500M Zn²+ in 0.100M NH3 and 0.175M NH4Cl buffered to a pH of 9.0.
Spotify - 2Pa X2 www.shakes x * OWLV2 | Onli x + .com/ilrn/takeAssignment/takeCovalentActivity.do?locator=assignment-take [References] Cu2+ ions from copper(II) sulfate combine with Br ions from potassium bromide to form the yellow CuBra complex ion in the equilibrium shown below: (aq) + 4 Br" (aq)CuBr (aq) + 4 H,O (1) yellow Cu(H,O),+ blue When the blue diluted solution was heated, it turned yellow. This color change indicates that the are favored, K v with increased temperature, and the reaction is
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-reduction
A 130.0 mL sample of 0.060 M Ca²+ is titrated with 0.060 M EDTA at pH 9.00. The value of log Kf for the Ca²+ —EDTA complex is 10.65 and the fraction of free EDTA in the Y4- form, ay, is 0.041 at pH 9.00. What is K, the conditional formation constant, for Ca²+ at pH 9.00?
What should be the pH of the environment for 50% of Ag+ ions to complex in the cyanide (CN¯) anion equivalent to a solution containing 10-3 M Ag+ ions? pKa for HCN = 9,3 ; logß2 for Ag(CN)2 - = 20,0 How can we INCREASE the complexity rate? Please help.
The composition of PBS is 0.137M NaCl, 0.012M Phosphate, 0.0027M KCl, pH 7.4. Below is the protocol to make 1 litre of 10x concentrate PBS. Combine the following: • 80g NaCl • 2g KCl • 14.4g Na2HPO4 (dibasic anhydrous) • 2.4g KH2PO4 (monobasic anhydrous) • 800mL distilled H2O 1. Adjust pH to 7.4 with HCl 2. Add H2O to 1L 3. Autoclave for 20 minutes on liquid cycle. Store at room temperature. Which ions are being produced by this process, assuming that each of the chemical compounds dissociate into their constituent parts once they are dissolved in water?
At 40.0 mL 0.0050 M Sr2 + pH 10, 0.0100 M EDTA is titrated. Calculate the pSr for the equivalence point. Kol(SrY) = 4,3x108 , α4 = 0,35
Which of the following statements regarding complexometric titrations is incorrect O In the pH range 3-10 the predominant species are H,Y and HY O EDTA contains two basio nitrogens O The higher the ammonia concentration, the sharper the end point for the EDTA-Ca complex. O The lower the formation constant for the EDTA-metal complex, the sharper the endpoint O aq value is proportional to the pH value
Please answer the following pertaining to analytical chemistry.