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dane:
I = 100A
t = 3h = 10 800s
M(Cu) = 63,55g/mol
F = 96 500C
nie jest dany równoważnik elektrochemiczny
szukane:
m(Cu) = x
Q = I *t = 100A *10800s = 1 080 000C = 1080000C / 96500C/F = 11,19171F
Cu+² + 2e ------------------> Cu
63,55g..................2F
x..........................11,19171F
--------------------------------------
x = 355,62g Cu
Otrzymano 355,62 g Cu.
Semper in altum
Pozdrawiam
I PRAWO FARADAYA
m= k×I×t
k=M/n×F
k= 63,55(g/mol) / 2× 96500(mol/A×s)
k= 0,00033(g/A×s)
m=k×I×t
m=0,00033(g/A×s) × 100A × 10800s
m= 356,4g Cu