plz help me voltaic cell?

Question

Which of the following solids is commonly used as an inactive electrode in electrochemical cells?
zinc
graphite
copper
iron
sodium



Question 6 1 points Save
What mass of silver will be formed when 15.0 A are passed through molten AgCl for 25.0 minutes?
0.419 g
6.29 g
12.6 g
25.2 g
33.4 g


thanks in advance

Answer 1

Graphite

Charge = 15*60*25 = 22500

So, Farads = 0.233

Thus , moles of Ag = 0.233

Mass = 0.233 * 108 g = 25.181 g