Write the half-reaction and calculate the electrode potential of 1. a zinc electrode in 0.0400 M Zn(NO3)2 2. a zinc electrode in 0.0100 M NaOH and saturated with Zn(OH)2(s) 3. a zinc electrode in 0.0100 M Zn(NH3)4 2+ and 0.220 M NH3

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