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impure copper containing Fe, Au and Ag as impurities is electrolytically refined.A current of 140 A for 482.5 s decreased the mass of anode by 22.6g and increased the mass of cathode by 22.011g.%of iron in impure copper is a)0.95 b)0.85 c)0.97 d)0. |
| Answer» impure copper containing Fe, Au and Ag as impurities is electrolytically refined.A current of 140 A for 482.5 s decreased the mass of anode by 22.6g and increased the mass of cathode by 22.011g.%of iron in impure copper is a)0.95 b)0.85 c)0.97 d)0. | |