Chromium can be electroplated from aqueous potassium dichromate, with the reduction shown below. If a current of 4 A and a voltage of 4.5V are used: Cr20,“ + 14H+ (aq) (aq)+ 12e¯ → 2Cr(s) + 7H20 How...


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Chromium can be electroplated from aqueous potassium dichromate, with the reduction shown below. If a current of 4 A and a voltage of 4.5V are used:<br>Cr20,“<br>+ 14H+<br>(aq)<br>(aq)+ 12e¯ → 2Cr(s) + 7H20<br>How many hours would it take to completely convert 219 mL of 1.27 M K2Cr207 to elemental chromium?<br>

Extracted text: Chromium can be electroplated from aqueous potassium dichromate, with the reduction shown below. If a current of 4 A and a voltage of 4.5V are used: Cr20,“ + 14H+ (aq) (aq)+ 12e¯ → 2Cr(s) + 7H20 How many hours would it take to completely convert 219 mL of 1.27 M K2Cr207 to elemental chromium?

Jun 10, 2022
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