Explain briefly 1. In measuring the cell potential of a galvanic cell, what does a negative voltage imply? 2. Why is a buffer solution important in the determination of total hardness by EDTA titration? 3. For soda ash samples containing NaOH, Na2CO3, and NaHCO3, why is a NaOH and NaHCO3 mixture not possible?

Q: For a Chromium-Nickel cell [Cr3+ + 3e- --> Cr (-0.73)] & [Ni2+ +2e- --> Ni (-0.23)] 1M for both…

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Q: 1. Calculate the potential of a platinum indicator electrode dipping into a solution that is 0.1M in…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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: a) The selectivity coefficient for a Bromide ion-selective electrode is K Br,OH 0.15. What will the…

A: please find the solution attached

Q: Calculate the electrode potential of the following half-cell involving the reduction of the Cu(I)-…

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Q: When an ion-selective electrode for X+ was immersed in 0.0206 M XCI, the measured potential was…

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Q: Calculate the cell potential at 25°C for the cell             Fe(s) ∣ (Fe2+(0.100 M) ∣∣ Pd2+(1.0 ×…

A: The cell given is Fe(s) ∣ (Fe2+ (0.100 M) ∣∣ Pd2+ (1.0 X 10-5 M) ∣ Pd(s) Since the oxidation half is…

Q: Cobalt(II) ions (Co2*(aq)) react with 6 equivalents of a ligand (L) to from the complex cation…

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Q: In the electrochemistry experiment, what would be the potential of the couple at 22 oC, when [Sn4+ ]…

A: Given data: The concentration of Sn4+ [Sn4+]=1.00×10-6 M. The concentration of Sn2+ [Sn2+]=0.89 M.…

Q: The electrochemistry of metal complexes reflects the underlying chemical cquilibria involved in…

A: Solubility product (Ksp) It is the equilibrium constant obtained as the product of dissolved ion…

Q: Would tris(2,29-bipyridine)iron be a useful indicator for the titration of Sn21 in 1 M HCl with…

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Q: Complete the table. Calculate the cell potential when 20.0 mL of 0.05 M Fe²* was titrated with 0.05…

A: Since you have asked a question with multiple sub-parts, as per our company guidelines we are…

Q: nsider the titration of 100.0 mL of 0.010 0 M Ce4+ in 1 M HClO4 by 0.040 0 M Cu+ to give Ce3+ and…

A: A balanced chemical equation is one in which the number of atoms of each element is the same on both…

Q: What is the voltage associated with the 2-electron reduction of Cu2+ to Cu at the cathode and the…

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Q: The following measurements were recorded for standard solutions of metal complexes with EDTA using a…

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Q: 159. A ga Cu(s) E° = 0.34 V Cu*(aq) + 2e¯ v²*(aq) + 2e¯ –→ V(s) - E° = -1.20 V - In this cell, the…

A: According to the electrochemical series, Cu (copper) lies below the V (Vanadium). elements which…

Q: Question is attached

A: E0Red (Ag+) = 0.8V   E0Oxi (Ni) = -0.25V   The expression of Nernst equation is shown below:   Ecell…

Q: A titration of 50.0 mL of 0.10 M Sn2+ with 0.2 M Fe3+ in 1 M HCl to give Fe2+ and Sn4+ using Pt and…

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Q: A 50.00 mL of 0.100 M Fe(II) is to be analyzed by redox titration with suitable reagents For the…

A: The reaction of the following titration is, Fe(II) +Ce(IV) →Fe(III) +Ce(III)

Q: The following cell was employed for the determination of pCrO4: SCE // CrO4 2-(xM) / Ag2CrO4 (s) /…

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Q: 1. Calculate the potential of a silver electrode following the addition of 10 ml of 0.1 M of CaCl to…

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Q: The following cell was found to have a potential of 0.124 V:  Ag l AgCl(sat'd) ll Cu2+(0.00325 M) l…

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Q: b Calculate PSCN if a cell consisting of a saturated calomel reference electrode ( E = 0.244 V) and…

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Q: A 1.000 g sample containing chlorides, iodides and inert materials was treated with dilute nitric…

A: When chloride salt will dissolved in silver nitrate solution, it will form silver chloride…

Q: 9. What is the current that must be passed through solution AuCl3 for 200 second to precipitate 3g…

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Q: Calculate the cell potential when 50.00 mL of 0.100 M Ag+ solution is titrated with 50.00 mL of…

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Q: The standard electrode potential for the reduction of Ni²+ to Ni is – 0.25 V. Would the potential of…

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Q: Which of the statements below are true for the titration of Fe2+ with standard Ce4+? I         The…

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Q: Explain why ionic attractions are weaker in media with high dielectric constants, e. g., water and…

A: Ionic attraction: The magnitude of the electrostatic force F between two point charges q1 and q2 or…

Q: Give information about the structure of EDTA and the titrations with EDTA (indicators used,…

A: Titration is the slow addition of one solution of a known concentration to a known volume of another…

Q: A 50.00-mL aliquot of a solution containing 0.0400 M Fe(NH4)2(SO4)2 is titrated with 0.0500 M…

A: Fe(NH4)2(SO4)2 liberates Fe2+, and Ce(SO4)2 liberates Ce4+ ions in the solution.

Q: Calculate the theoretical potential at 25°C needed to initiate the deposition of copper from a…

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Q: Cobalt(II) ions (Co2*(aq)) react with 6 equivalents of a ligand (L) to from the complex cation…

A: Reaction of Co2+ with L occurs as: Co2+(aq)+6L↔CoL62+

Q: Calculate the cell potential of the following: (a) Pb | Pb?* (0.1200 M) || Cd²* (0.0500 M) | Cd (b)…

A: The question is based on the concept of electrochemistry. we have to calculate cell potential of the…

Q: b Calculate PSCN if a cell consisting of a saturated calomel reference electrode ( E° = 0.244 V) and…

A: A the EMF of a cell which consists of calomel electrode and a silver indicator electrode is given to…

Q: What will be the molar Y⁴⁻ concentration in a 0.0200 M EDTA solution at a pH of 9.00? (α=0.054)

A: given data  0.0200 M EDTA  at a pH of 9.00 (α=0.054) find molar Y⁴⁻ concentration

Q: 9. What is the current that must be passed through solution AuCl3 for 200 second to precipitate 3g…

A: As per our guidelines, we are supposed to answer only one question. Kindly, repost other question as…

Q: 3. The glass membrane electrode is one of the types of ion-selective electrodes. Discuss the…

A: In the quantitative analysis, techniques based on electrochemistry are used to determine the amount…

Q: The electrochemistry of metal complexes reflects the underlying chemical equilibria involved in…

A: Nernst equation The equation that gives the relationship between cell potential and concentration of…

Q: The following statements are true for Amperostatic Cuolometric Methods of analysis except - in…

A: Solutions- We have to choose correct sentences.

Q: Calculate the potential (in V) of a zinc electrode immersed in 0.0200 M in NaOH and saturated with…

A: In this question we will find the potential of a zinc electrode in Volts(V). We are given  E° of…

Q: a) Calculate the standard potential for the reaction CuBr(s) + e + Cu(s) + Br2 = 0.521 V For CuBr,…

A: To calculate the standard potential for the reaction: CuBr(s) + e- ↔ Cu(s) + Br2 Given that the…

Q: Calculate the standard potential E0 for the process Ni(CN)42- + 2e- ⇄ Ni(s) + 4CN- given that the…

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Q: A 30.0 mL solution of 0.0180 M Rh3+ in 1 M HClO4 was titrated with 0.0900 M Ce4+ to give Rh6+ and…

A: E =1.338 V Volume= 6 ml

Q: A solution containing Pt“t is electrolyzed with a current of 4.30 A. How long will it take to plate…

A: This above question is solved with the help of Faraday's first law..  1 Faraday = 96500 coulomb

Q: Give the cell diagram for the reaction below. Cd + 2 Fe3+ ---->Cd2+ + 2 Fe2+

A: Applying concept of cell representation.