Calculate the number of moles of ag2s consumed in 2.3 min

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Problem- The surfaces of old silver coins were found to be covered with black sulfide, Ag2S (s). Electrolysis is required to remove the silver sulfide without damaging the coins. The half-reaction is ag2S + 2e -> 2AG + S2-. Calculate the number of moles of Ag2S consumed in 2.3 min by a constant current of 3.00 coulombs per second

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