Problem: The following half-reactions combine to make an electrolytic cell: K+ (aq) + e- → K (s)                                       E° = −2.93 Li+ (aq) + e- → Li (s)                                      E° = −3.05 If a current of 1.5 Amps is placed on this cell for 5 minutes, which of the following describes the mass of solid formed (in grams) and the voltage required of the current. [1 Amp = 1 coul/s;    96500 coul = 1 mol e-] A.  0.0324 g;  - 0.12 V             B. 0.000539 g ; - 0.12 V                      C. 0.00466 g;  0.12 V                    D. 0.0324 g;  5.98 V                           E.  0.00466 g;  5.98 V  

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The following half-reactions combine to make an electrolytic cell:

K+ (aq) + e- → K (s)                                       E° = −2.93

Li+ (aq) + e- → Li (s)                                      E° = −3.05

If a current of 1.5 Amps is placed on this cell for 5 minutes, which of the following describes the mass of solid formed (in grams) and the voltage required of the current.

[1 Amp = 1 coul/s;    96500 coul = 1 mol e-]

A.  0.0324 g;  - 0.12 V            

B. 0.000539 g ; - 0.12 V                     

C. 0.00466 g;  0.12 V                   

D. 0.0324 g;  5.98 V                          

E.  0.00466 g;  5.98 V

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