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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: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter19: The Chemistry Of The Main-group Elements
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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.
Transcribed Image Text: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.
Transcribed Image Text: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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