Impure copper containing Fe Au Ag as impurities is

Last updated: 6/30/2023

Impure copper containing Fe Au Ag as impurities is electrolytically refined A current of 140 A for 482 5 s decreased the mass of the anode by 22 26 g and increased the mass of cathode by 22 011 g Percentage of iron in impure copper is Given molar mass of Fe 55 5 g mol molar mass of Cu 63 54 g mol a 0 95 b 0 85 c 0 97 KCET 2014 d 0 90