Chromium metal can be electroplated from an aqueous solution of potassium dichromate. The reduction half- A current of 4.1 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 12 minutes? Atomic weight of Cr = 52 g/mol. Final answer in two decimal places; do not include units.

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metal can be electroplated from an aqueous solution of potassium dichromate. The reduction half-reaction is Cr₂O72- (aq) + 14H* (aq) + 12e¯ → 2Cr(s) + 7H₂0
Chromium
A current of 4.1 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 12 minutes? Atomic weight of Cr= 52 g/mol. Final answer in two decimal places; do not include units.
Transcribed Image Text:metal can be electroplated from an aqueous solution of potassium dichromate. The reduction half-reaction is Cr₂O72- (aq) + 14H* (aq) + 12e¯ → 2Cr(s) + 7H₂0 Chromium A current of 4.1 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 12 minutes? Atomic weight of Cr= 52 g/mol. Final answer in two decimal places; do not include units.
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