m = (Q/F)*(M/z)
m is the mass of the substance liberated at an electrode in grams
Q is the total electric charge passed through the substance
F = 96,485 C mol
−1 is the
Faraday constant
M is the molar mass of the substance
z is the valency number of
ions of the substance (electrons transferred per ion)
For Li
m = 1.602*10
–19/96,485 * 6.94/1 = 1.15*10
–20for Zn
m = 1.602*10
–19/96,485 * 65.38/2 = 5.4277*10
-20
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