Question icon
Grade 12Physical Chemistry

A certain quantity of electricity is passed through aqueous Al2(So4)3 and CuSo4 solutions connected in series 0.09g of Al is deposited on cathode during electrolysis the amount of copper deposited on cathode in grams is

Profile image of Shreya
7 Years agoGrade 12
Answers icon

1 Answer

Profile image of Pooja
7 Years ago
Dear Student,
In series the amount current would remain the same. Use the formula w= ZIt
w= weight deposited
t= time taken
I= current
z= equivalent mass of the metal deposited
For Al , Z=27/3
For Cu, Z= 63.5/2
calculating w for Cu would come out to be 0.3125g