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Grade: 11

                        

Assume that impure copper contains only Fe, Au, Ag as impurities. After passing of 140 ampere for 482.5s, the mass of anode decreased by 22.260g and the cathode increased in mass by 22.011g. Calculate the percentage of iron and percentage of copper originally present.

6 years ago

Answers : (1)

samudhbhav prabhu
14 Points
							98.88, 0.85   How??
						
6 years ago
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