Please correct answer and don't used hand raiting 14) What is the concentration of Cd2+ if the voltage reading shown on the potentiometer is -0.715 Vat 25 degrees C.->Given: Cd2+ + 2e Cd(s) E = -0.402 V and Sat Calomel E' = 0.241 V(Hint: the Anode is negative and cathode positive on the potentiometer. Ecell Ecathode EAnode)

Step 1: Step 1: Nernst Equation Step 2: Calculate The Cell Potential Step 3: Step 3: Application of…

Answered: 14) What is the concentration of Cd2+…

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter25: Voltammetry

Section: Chapter Questions

Problem 25.13QAP

See similar textbooks

Similar questions

Quinone undergoes a reversible reduction at a voltammetric working electrode. The reaction is (a) Assume that the diffusion coefficients for quinone and hydroquinone are approximately the same and calculate the approximate half-wave Potential (versus SCE) for the reduction of hydroquinone at an RDE from a solution buffered to a pH of 8.0. (b) Repeat the calculation in (a) for a solution buffered to a pH of 5.0.
//Please check pic //
A chloride ion selective electrode (ISE) calibration curve was measured to be E(mV, vs ref)=-109.8 + 54.5 x PCI; Concentration of CI is in mol/L If a chloride solution was placed in a beaker of sodium acetate and the potential vs the same reference electrode was E=72.47 mV. What is the concentration of chloride in mmol/L (mM)? Report your answer to 3 decimal places.
8
*23-17 The following cell was used to determine the pSO, of a solution: SCE||SO, (xM).Hg,SO,(sat'd) Hg Calculate the PSO, if the potential was -0.537 V.
Calculate the potential of a calomel electrode (Hg Hg2Cl2, mercurous chloride) in a solution: 1 of NaCl at 1 mol.L´ ; 2 saturated of NaCl (solubility of NaCl in water at 298 K: 4.8 mol.L-¹) 0.789 V; KS(H92Cl2) 1.7×10-17. Data: el (Hg₂+ /Hg) -1 - The answer : 1) e = 0.294 V; 2) e = 0.254 V
2.( J Given the standard reduction potentials (E°) for ubiquinone (Q) and NADP+ provided below, consider the following questions. Q+ 2H+ + 2e ---> QH₂ NADP+ + H+ + 2e---> NADPH Eº⁹ = 0.04 V Eº⁹ = -0.32 V (a) ( Calculate the standard AEº for the oxidation of NADPH by Q. From the reactants in your derived redox reaction, indicate the oxidant and reductant. (b): .) Calculate the standard free energy of the redox reaction in part (a) and indicate if the reaction is exergonic or endergonic.
The standard potential of the cell calomel || nonesuch composed of a calomel electrode and a nonesuch electrode is -1978 mV at 25oC. Find the standard potential of the nonesuch electrode at 25oC.[-1.710] The answer is enclosed in the bracket, I would like to know how it was obtained. Thank you!
12. provide only the answer asap pls no need solution
2) A cyanide ion selective electrode obeys the equation : E (volts) = constant - 0.05916 log [CN] The measured potential was - 0.224 V when immersed in 0.00100 M NaCN. a) What is the value of the numerical constant from the calibration equation?
2) A cyanide ion selective electrode obeys the equation : E (volts) = constant - 0.05916 log [CN-] The measured potential was - 0.224 V when immersed in 0.00100 M NaCN. a) What is the value of the numerical constant from the calibration equation? -0.402 b) Using (a), what is the [CN-] in a solution with an E = -0.286 V? An
5- The electrometive feree for the cell: cd / cdcoH), (s/ NaOHco-011)/Hz¢ratm) / pt the electrod at 25e equal zero g and for cd/ edz+ equal write the celt reactionand electrodes reactions 7 Sofubility produt constant ( Ksp to cadmium hydroxide) The inthalpy of cell when the thermal coefficient calculate 0-002 V K=

SEE MORE QUESTIONS

Recommended textbooks for you

Principles of Instrumental Analysis

Chemistry

ISBN:

9781305577213

Author:

Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:

Cengage Learning

Fundamentals Of Analytical Chemistry

Chemistry

ISBN:

9781285640686

Author:

Skoog

Publisher:

Cengage

Appl Of Ms Excel In Analytical Chemistry

Chemistry

ISBN:

9781285686691

Author:

Crouch

Publisher:

Cengage

Principles of Instrumental Analysis

Chemistry

ISBN:

9781305577213

Author:

Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:

Cengage Learning

Fundamentals Of Analytical Chemistry

Chemistry

ISBN:

9781285640686

Author:

Skoog

Publisher:

Cengage

Appl Of Ms Excel In Analytical Chemistry

Chemistry

ISBN:

9781285686691

Author:

Crouch

Publisher:

Cengage

SEE MORE TEXTBOOKS

14) What is the concentration of Cd2+ if the voltage reading shown on the potentiometer is -0.715 V at 25 degrees C. -> Given: Cd2+ + 2e Cd(s) E = -0.402 V and Sat Calomel E' = 0.241 V (Hint: the Anode is negative and cathode positive on the potentiometer. Ecell Ecathode EAnode)