Assume that impure copper contains only Fe, Au and Ag as impurities
CHEMISTRY · Subjective · AP · Chemistry · Thermodynamics and Electrochemistry · Thermodynamics and Electrochemistry
Problem
Assume that impure copper contains only Fe, Au and Ag as impurities. After passage of 140 ampere for 482.5 sec. the mass of anode decreased by 22.260 g and the cathode increased in mass by 22.011 g. Calculate the
percentage of iron and percentage of copper originally present.