i)
The one with highest Eo will be cathode
The one with lowest Eo will be anode
Answer: cell 1 and 3
ii)
Cathode is: Ag+/Ag
Anode is: Al3+/Al
use:
Eo cell = Eo cathode - Eo anode
= 0.7996 V - (-1.6632 V)
= 2.4628 V
Answer: 2.4628 V
iii)
The reaction is:
3 Ag+(aq) + Al(s) —> 3 Ag(s) + Al3+(aq)
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