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Use the following cell to answer the questions:

Cr / Cr3+ (1.00 M) // Ni2+ (1.00 M) / Ni.

a) How many milligrams of Ni would be plated on the cathode if a current of 0.31 A is drawn for 3.2 hrs?

______    mg Ni

b) What is [Cr3+] when [Ni2+] has dropped to 10-4 M?

[Cr3+]=  ______ M

c) What is the cell potential at the conditions described in Part b?

E =_____  V

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  • Category:- Chemistry
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