Calculate the potential of a copper electrode immersed in
(a) 0.0380 M Cu(NO3)2.
(b) 0.0650 M in NaCl and saturated with CuCl.
(c) 0.0350 M in NaOH and saturated with Cu(OH)2.
(d) 0.0375 M in Cu(NH3)42+ and 0.108 M in NH3 (β4 for Cu(NH3)42+ is 5.62 × 1011).
(e) a solution in which the molar analytical concentration of Cu(NO3)2 is 3.90 × 10-3 M, that for H2Y2- is 3.90 × 10-2 M (Y = EDTA), and the pH is fixed at 4.00.
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