Chromium metal is electroplated from acidic aqueous solutions containing the dichromate ion, Cr2O72-. What is the minimum time needed to plate out 10.0 g of chromium metal from such a solution, if the current is 50.0 A?
A) 6.2 minutes
B) 12.4 minutes
C) 18.6 minutes
D) 24.7 minutes
E) 37.1 minutes
Correct Answer:
Verified
Q2: Electrolytic cells utilize electrical energy to drive
Q63: Which of the following elements could be
Q65: Predict the products of the cell reaction
Q70: A current of 250. A flows for
Q71: In the electrolysis of aqueous potassium nitrate
Q72: Which of the following elements can be
Q73: Which, if any, of the following metals
Q84: A solution is prepared by dissolving 32.0
Q90: What product forms at the cathode during
Q100: What mass of copper will be deposited
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents