The world needs a new source of energy, an unspillable source.

How many coulombs (C) of electrical charge must pass through an electrolytic cell?

How many coulombs (C) of electrical charge must pass through an electrolytic cell to reduce 0.44 mol Ca2+ ion to calcium metal?

a- 190,000 C
b- 85,000 C
c- 21,000 C
d- 42,500 C
e- 0.88 C