Electrolysis of 1.00 g of a copper(II) salt required passage of 0.100 A of current for 123 min for c — Electrochemistry Chemistry Question
Question
Electrolysis of 1.00 g of a copper(II) salt required passage of 0.100 A of current for 123 min for complete deposition of all the copper metal. What is the copper salt?
A.
CuCl2, M = 134.5
B.
CuBr2, M = 223.4
C.
Cu(NO3)2, M = 187.6
D.✓ Correct
Cu(ClO4)2, M = 262.5
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