Given:
c : 4 amperes
t : 45 minutes : 45 x 60 = 2700 seconds
w : 1.062 gm
1 Faraday : 96500 C
To calculate: Eq. Weight (CE)
According to Faraday’s first law:
w = z c t Therefore,
z = w / ct
z = 1.062 / 4 x 2700
z = 1.062 / 10800 E.C.E.
z = 0.00009833 g/c
Now, C.E. = 96500 x E.C.E.
C. E. = 96500 x 0.00009833
C.E. = 9.4888 gm