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43




 

, 1 = 10 , 2 = 2 1 = 20 3 = 3 1 = 30 , r 1 = 0,10 , r 2 = 2 r 1 = 0,2 r 3 = 3 r 1 = 0,3 . , V . I 3, 3.
V = I 3 =    

44

 

S = 120 2 t = 5 I = 0,3 . n = 2, A = 58,7∙103 /, ρ = 9 /2. .
d =    

45

 

CuSO4 CuCl2 . , .
m 1 = m 2.
m 1 = 2 m 2.
m 2 = 2 m 1.
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