Question

1. What mass of Cu could be planted out by electrolyzing aqueous CuSO4 for 12 hours at 2.0 amperes ?

Answer 1

N3-.

Solution:

Charge on one ion of N3-

= 3 × 1.6 × 10-19 coulomb

Thus, charge on one g-ion of N3-

= 3 × 1.6 10-19 × 6.02 × 1023

= 2.89 × 105 coulomb

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