40 mL of 0.125 M of NiSO_(4) solution is electrolysed by a current of 0.05 amp for 40 minutes. (i) Write the equation for the reactions occurring at each electrode. (ii) How many coulombs of electricity passed through the solution ? (iii) How many grams of the product deposited on the cathode ? (iv) How long will the same current have to pass through the solution to remove completely the metal ions from the solution ? (v) At the end of electrolysis how many grams of the product would appear at the anode ?

40 mL of 0.125 M of NiSO_(4) solution is electrolysed by a current of

1.	40 mL of 0.125 M of NiSO_(4) solution is electrolysed by a current of 0.05 amp for 40 minutes. (i) Write the equation for the reactions occurring at each electrode. (ii) How many coulombs of electricity passed through the solution ? (iii) How many grams of the product deposited on the cathode ? (iv) How long will the same current have to pass through the solution to remove completely the metal ions from the solution ? (v) At the end of electrolysis how many grams of the product would appear at the anode ?
Answer» SOLUTION :120, 0.037 G, 19300 s, 0.08 g