A Zn/Zn^2+ concentration cell has a voltage of0.078 V at 25 deg C. The concentration of Zn ^2 +in the cathode is 5.2 x 10^-3 mol L-1 What is theconcentration of Zn ^2+ in the anode?

To find the concentration of Zn²⁺ in the anode of the concentration cell, we can use the Nernst…

Answered: A Zn/Zn^2+ concentration cell has a…

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...

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A certain metal M forms a soluble nitrate salt MNO33 . Suppose the left half cell of a galvanic cell apparatus is filled with a 5.00M solution of MNO33 and the right half cell with a 25.0mM solution of the same substance. Electrodes made of M are dipped into both solutions and a voltmeter is connected between them. The temperature of the apparatus is held constant at 35.0°C. What voltage will the voltmeter show? Assume its positive lead is connected to the positive electrode.Be sure your answer has a unit symbol, if necessary, and round it to 2 significant digits.
A voltaic cell is constructed, based on the Zn/Sn2+ ion reaction. Zn + Sn2+ → Zn2+ + Sn The standard cell potential is 0.626 V. What is the cell potential be when [Zn2+]=1.2 M and [Sn2+]=0.8 M ?
How many minutes would it take to deposit 5.71 g of Cu(s) from a solution of Cu(NO3)2 when using a current of 37.7 A?
Questions 20 and 21 refer to the following information. Galvanic Cell Cell Diagram E°cell (Volts) Mg | Mg2(1.0 M) || Pb*2(1.0 M) | Pb 1 2.24 Zn | Zn(1.0 M) || Pb*2(1.0 M) | Pb 2 0.63 Mg | Mg*(1.0 M) || Zn*2(1.0 M) | Zn 3 The chemical reaction occurring in first galvanic cell is: Mg + Pb*2 → Mg+2 + Pb 21. If the concentration of Mg+2 is changed from 1.0 M to 3.0 M in the galvanic cells above, what will happen to the observed cell voltages in galvanic cells 1 and 3? (A) The voltage in both galvanic cells 1 and 3 will increase. (B) The voltage will decrease in both galvanic cells 1 and 3. (C) The voltage in galvanic cell 1 will increase and will decrease in galvanic cell 3 (D) The voltage in galvanic cell 3 will increase and will decrease in galvanic cell 1. 22. Consider a voltaic cell based on these half-cells. Ag (aq) +e → Ag/s) Cd (aq) + 2e → Cd¢s) E* = +0.80 V E = -0.40 V Identify the anode and give the voltage of this cell under standard conditions. (A) Ag; Ecell = 0.40 V (B) Ag;…
MnO4– + Sn ----> MnO2 + Sn2+ A) Identify the half-reaction that occurs at the cathode. B) Identify the oxidizing agent and anode. C) standard cell potential? D) What will be the potential of a cell constructed using 57.0 g MnO2, 1.57 M MnO4–, 14.8 g Pt, 12.5 g Sn and 0.87 M Sn2+ at pH 2.5?
Calculate Ecell (volts) for the galvanic cell containing the reaction shown below where the concentration of the ion at the anode is 0.400 M and the concentration of the ion at the cathode is 1.86 M.
Consider the following galvanic cells. Diagram I Au- cº 1.0 M Au³+ 3+ chemPad XX² (b) balanced cell equation II chemPad 8⁰ XX→→ 1.0 M Cu+ 1.0 M Cu²+ For each galvanic cell, give the balanced cell reaction and determine °. Standard reduction potentials are found in the Standard Reduction Potentials table. (Use the lowest possible whole number coefficients. Include states-of-matter under the given conditions in your answer.) (a) balanced cell equation I Help Greek Pt Help Greek Diagram II Cd- 1.0 M Cd2+ -Pt Ai 1.0 M VO₂, 1.0 MH+ 1.0 M VO²+

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A Zn/Zn^2+ concentration cell has a voltage of 0.078 V at 25 deg C. The concentration of Zn ^2 + in the cathode is 5.2 x 10^-3 mol L-1 What is the concentration of Zn ^2+ in the anode?