Two Copper strips were used to determine the effect of supporting electrolyte used on the change in mass. Three different experiments were conducted for 5mins where 0.5A current is applied throughout the experiment. In the first experiment two copper strips were immersed in 3.080g of Cu (NO3)2 dissolved in 25mL of DI water and tested for 5mins while applying current 0.5A. The weight of one copper strip act as an anode is taken before the reaction and after the reaction to calculate the change in mass due to different applied current. Same process is repeated with 25ml 0.5 M CuSO4 and25ml 0.5 M CuCl2 for 5 mins Using Faraday’s equation (Eq 1), calculate the theoretical mass and Compares the theoretical mass (mg) of copper and the actual mass deposited (obtained from the electrolysis, ∆m) by calculating the %error at different times. Discuss the observed results.
Two Copper strips were used to determine the effect of supporting electrolyte used on the change in mass. Three different experiments were conducted for 5mins where 0.5A current is applied throughout the experiment. In the first experiment two copper strips were immersed in 3.080g of Cu (NO3)2 dissolved in 25mL of DI water and tested for 5mins while applying current 0.5A. The weight of one copper strip act as an anode is taken before the reaction and after the reaction to calculate the change in mass due to different applied current. Same process is repeated with 25ml 0.5 M CuSO4 and25ml 0.5 M CuCl2 for 5 mins Using Faraday’s equation (Eq 1), calculate the theoretical mass and Compares the theoretical mass (mg) of copper and the actual mass deposited (obtained from the electrolysis, ∆m) by calculating the %error at different times. Discuss the observed results.
Two Copper strips were used to determine the effect of supporting electrolyte used on the change in mass. Three different experiments were conducted for 5mins where 0.5A current is applied throughout the experiment. In the first experiment two copper strips were immersed in 3.080g of Cu (NO3)2 dissolved in 25mL of DI water and tested for 5mins while applying current 0.5A. The weight of one copper strip act as an anode is taken before the reaction and after the reaction to calculate the change in mass due to different applied current. Same process is repeated with 25ml 0.5 M CuSO4 and25ml 0.5 M CuCl2 for 5 mins Using Faraday’s equation (Eq 1), calculate the theoretical mass and Compares the theoretical mass (mg) of copper and the actual mass deposited (obtained from the electrolysis, ∆m) by calculating the %error at different times. Discuss the observed results.
Two Copper strips were used to determine the effect of supporting electrolyte used on the change in mass. Three different experiments were conducted for 5mins where 0.5A current is applied throughout the experiment. In the first experiment two copper strips were immersed in 3.080g of Cu (NO3)2 dissolved in 25mL of DI water and tested for 5mins while applying current 0.5A. The weight of one copper strip act as an anode is taken before the reaction and after the reaction to calculate the change in mass due to different applied current. Same process is repeated with 25ml 0.5 M CuSO4 and25ml 0.5 M CuCl2 for 5 mins
Using Faraday’s equation (Eq 1), calculate the theoretical mass and Compares the theoretical mass (mg) of copper and the actual mass deposited (obtained from the electrolysis, ∆m) by calculating the %error at different times. Discuss the observed results.
Q = I x t = nFN
Electrolyte
Initial mass of anode (mg)
Final mass of anode (mg)
Cu (NO3)2
2941
2893
CuSO4
2569
2526
CuCl2
2526
2529
Definition Definition Process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state.
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