Chromium can be electroplated from aqueous potassium dichromate, with the reduction shown below: Cr20, (au) + 14H (aq)+ 12e2Cr+7H20 How much electrical charge (in C) are required to plate 6.85 g of chronium? The molar mass of chromium is 52.00 g/mol.

Chromium can be electroplated from aqueous potassium dichromate, with the reduction shown below: Cr20, (au) + 14H (aq)+ 12e2Cr+7H20 How much electrical charge (in C) are required to plate 6.85 g of chronium? The molar mass of chromium is 52.00 g/mol.

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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Question

Chrornium can be electroplated from aqueous potassium dichromate, with the reduction shown below:
Cr20 (ag)
+ 14H (aq+ 12e2Cr+7H20
How much electrical charge (in C) are required to plate 6.85 g of chromium? The molar mass of chromium is 52.00 g/mol.

Chromium can be electroplated from aqueous potassium dichromate, with the reduction shown below:
Crz07 (aq)
2-
+ 14H* (ag)+ 12e - 2Cr) + 7H20
How many kilowatt-hours of electrical energy are generated by a charge of 197,160 Coulombs if a current of 5.5 A and a voltage of 8.2 V are used?
4.

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