NO.:DATE:An electro chemicalis vet upelectrodecellwithco pperCu s04 lag) and1.0mol L tb (NOs)z cag).inContactwith1.0 mol La leaddcctrodewithincontactthe utandard reduction potentials arPbt t 2c-E° -0 13V2+E° +0-34Vthir galuanicincelAt25°Cthe standcrdcell potential Forvo Hs

A numerical problem based on electrochemistry, which is to be accomplished.

Answered: An electro chemi cal cell is set up…

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter18: Introduction To Electrochemistry

Section: Chapter Questions

Problem 18.6QAP

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Similar questions

Consider the following galvanic cell: a. Label the reducing agent and the oxidizing agent, and describe the direction of the electron flow. b. Determine the standard cell potential. c. Which electrode increases in mass as the reaction proceeds, and which electrode decreases in mass?
(c)Ions that react with Ag+ like SCN- can be determined electrogravimetricallyby deposition on a silver working anode:Ag(s) + SCN- ≤ AgSCN(s) + eA silver anode with initial mass of 12.4730 g was used to electrolyse 85.00 mL of asolution of 0.0245 M KSCN. At the end of the experiment, the anode weighed12.5767 g. How long did the experiment take, if a current of 100 mA was used?
A salt of each of the ions in Table is dissolvedin water. A Pt electrode is immersed in each solution and con-nected to a 0.38-V battery. All of the electrolytic cells are run forthe same amount of time with the same current.(a) In which cell(s) will a metal plate out? Explain.(b) Which cell will plate out the least mass of metal? Explain.
The standard free energies of formation of several species are:kJ/molH+(aq) 0H2O(l) –237.0CH3OH(aq) –163.0HCOOH(aq) –351.4e– 0What is the standard reduction potential (Eo)of methanoic acid in aqueous solution (i.e., for HCOOH + 4H+ + 4e– →CH3OH + H2O)?
The electrochemical cell: SCE||H+(a=x)|glass electrodehas a potential of 0.2094 V when the solution in the right-hand compartment is abuffer of pH 4.006. The potential reading for an unknown solution measured by thesame glass electrode was –0.3011 V. Calculate the pH and the hydrogen ion activityof the unknown solution. Assume a Nernstian response for the glass electrode.
calculate the potential of platinum elctrode emersed in a solution 0.0613 M in k4Fe(CN)6 and 0.00669M in k3Fe(CN)6
Which of the oxidizing agent listed is (are) capable of oxidizing Br - (aq) to BrO 3 - (aq) in acidicsolutions). Please answer with explanations. Thanks
Calculate the required voltage (V) if an unknown metal (M) was electrodeposited from an aqueous solution containing M2X1 (where X is the anion) with a supplied current of 5.72 A for 8 h, consuming 0.2293 kWh of electrical energy. Assume that the current efficiency is 91%
At 25 ∘C,25 ∘C, a titration of 15.00 mL of a 0.0320 M AgNO3 solution with a 0.0160 M NaI solution is conducted within the cell SCE || titration solution | Ag(s)SCE || titration solution | Ag(s) For the cell as written, what is the potential after the addition of each volume of NaINaI solution? The reduction potential for the saturated calomel electrode is ?=0.241 V. The standard reduction potential for the reaction Ag++e−⟶Ag(s) is ?∘=0.79993 V The solubility constant of AgI is ?sp=8.3×10^−17. 0.200 mL?= 19.00 mL?= 30.00 mL?= 43.20 mL?= please solve
Consider the half-reaction Ag+(aq) + e------>Ag(s).(a) Which of the lines in the following diagram indicateshow the reduction potential varies with the concentrationof Ag+(aq)? (b) What is the value of Ered whenlog [Ag+] = 0?
Crude copper containing Fe and Ag as contaminations was subjected toelectro refining by using a current of 175 A for 6.434 min. The mass of anode was found to decrease by 22.260 g, while that of cathode was increased by 22.011 g. Estimate the % of copper, iron and silver in crude copper.
A 215 mL sample of a 0.500 M NaCl solution with an initial pHof 7.00 is subjected to electrolysis. After 15.0 minutes, a 10.0 mLportion (or aliquot) of the solution is removed from the cell andtitrated with 0.100 M HCl solution. The endpoint in the titrationis reached upon addition of 22.8 mL of HCl. Assuming constantcurrent, how much current (in A) was running through the cell?

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