Calculate the [H +] for the hydrogen half-cell of the following voltaic cell if the observed cell voltage is 1.95 V. Mg|Mg2+(1.00 M)||H*(? M), H₂(1.00 atm)|Pt x 105 M a. 8.0 x O b. 1.2 x 10-6 M O c. 7.86 x 10-8 O d. 7.1 x 10-3 M O e. 8.0 x 10-3 M

Calculate the [H +] for the hydrogen half-cell of the following voltaic cell if the observed cell voltage is 1.95 V. Mg|Mg2+(1.00 M)||H*(? M), H₂(1.00 atm)|Pt x 105 M a. 8.0 x O b. 1.2 x 10-6 M O c. 7.86 x 10-8 O d. 7.1 x 10-3 M O e. 8.0 x 10-3 M

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter17: Electrochemistry

Section: Chapter Questions

Problem 137CWP: Consider a galvanic cell based on the following half-reactions: a. What is the standard potential...

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Question

Calculate the [H +] for the hydrogen half-cell of the following voltaic cell if the observed cell voltage is 1.95 V.
Mg|Mg2+(1.00 M)||H*(? M), H₂(1.00 atm)|Pt
O a. 8.0 x 105 M
O b. 1.2 x 10-6 M
O c. 7.86 x 10-8 M
O d.7.1 x 10-3 M
O e. 8.0 x 10-³ M

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