Answer to Question #121547 in Inorganic Chemistry for Pio Qaravatu

Question #121547
Aluminium metal can be made from aluminium ions by electrolysis. What mass of aluminium metal would be recovered if a current of 2.50 × 103 A passed through the solution for 15.0 minutes? Assume the yield is 100%.
1
Expert's answer
2020-06-12T07:29:12-0400

Al3++3e- -->Al(s);

n(Al)=Q/(F*3)=15*60*2.5*10^3/(3*96500)=7.77 mol;

m(Al)=7.77*27=210 g;

Answer: 210 g;



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