Chromium metal can be electroplated from an aqueous solution of potassium dichromate. The reduction half-reaction is Cr2O72- (aq) + 14H+ (aq) + 12e- → 2Cr(s) + 7H2O A current of 5.5 A and a voltage of 4.5V are used in the electroplating. How many grams of chromium can be plated if the current is run for 46 minutes? Atomic weight of Cr = 52 g/mol. Final answer in two decimal
Chromium metal can be electroplated from an aqueous solution of potassium dichromate. The reduction half-reaction is Cr2O72- (aq) + 14H+ (aq) + 12e- → 2Cr(s) + 7H2O A current of 5.5 A and a voltage of 4.5V are used in the electroplating. How many grams of chromium can be plated if the current is run for 46 minutes? Atomic weight of Cr = 52 g/mol. Final answer in two decimal
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter21: The Chemistry Of The Main Group Elements
Section: Chapter Questions
Problem 108SCQ
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Chromium metal can be electroplated from an aqueous solution of potassium dichromate. The reduction half-reaction is Cr2O72- (aq) + 14H+ (aq) + 12e- → 2Cr(s) + 7H2O
A current of 5.5 A and a voltage of 4.5V are used in the electroplating. How many grams of chromium can be plated if the current is run for 46 minutes? Atomic weight of Cr = 52 g/mol. Final answer in two decimal places; do not include units.
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