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Galvanic Cells: how many moles of oxygen gas will evolve for every 1.00 x 102 grams of Cr(s) deposited?

An antique automobile bumper is to be chrome plated. The bumper, which is dipped into an acidic Cr2O72- solution, serves as a cathode of an electrolytic cell. The atomic mass of Cr is 51.996; 1 faraday = 96,485 coulombs. If oxidation of H2O occurs at the anode, how many moles of oxygen gas will evolve for every 1.00 x 102 grams of Cr(s) deposited?

How do you set this problem up? Any help would be great thanks!