A solution of CuSO4 is electrolysed for 10 minutes with a current of 1.5 amperes. What is the mass of copper deposited at the cathode?
prasanjeet kumar
12 Years agoGrade 8
4 Answers
Gaurav
11 Years ago
Akash
7 Years ago
estimate the mass of copper metal produced during passage of 5A current through CuSO4 solutions for 100 min (the molar mass of Cu is 63.5g/mol.)
Punit
7 Years ago
Here,Charge available Q is,
Q=5*6000=30000C
But as we know,that here in this question
2*96500C=63.5g
1C=63.5/2*96500
30000C= 63.5*30000/2*96500
Rishi Sharma
6 Years ago
Hello Prasanjeet, The solution is as follows The cathodic reaction is Cu2+ + 2e- → Cu I = 1.5 A t = 10 min = 10*60 = 600 sec reaction states that 2 * 96500 C requires to deposit 63.5 g of Cu at cathode for 900 C will deposit = 63.5 * 900 / (2 * 96500 ) = 0.296 g
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