Question

0.1978 gram of copper were deposited by a current of 0.2 ampere in 50 minutes. What is the electrochemical equivalent of copper.

Answer 1

Answer:

weight deposited w= ZIt

so, Z= electrochemical equivalent

=w/It

= 0.1978/(0.2×50×60)

= 0.1978/60

= 32.96×10^-4