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How many coulombs of electrical charge must pass through an electrolytic cell to reduce (check my answer)?

How many coulombs of electrical charge must pass through an electrolytic cell to reduce 0.82 moles of Ca2+ ion to calcium metal?

a) 3.9e3
b) 1.6e5
c) 7.9e4
d) 4.2e–6
e) 4.0e4

I got b, 96500 x 2 = 193000 x .82 = 158260 …im not sure Im doing this right…