Solution:
Ag+ + e → Ag ;
Ca2++ 2e → Cl;
Al3++ 3e → Al
So, According to Faraday's second law:
1 F produce = 1 mole of Ag
2F produce = 1 mole of Ca or 1F produce = mole of Ca
3 F produce = 1 mole of Al or 1 F produce = mole of Al
Molar ratio is = 1 : : or 6 : 3 : 2
