Multiple Choice
A 50.0-mL sample of 2.0 10-4 M CuNO3 is added to 50.0 mL of 4.0 M NaCN. Cu+ reacts with CN- to form the complex ion Cu(CN) 32-: 
The concentration of Cu+ at equilibrium is
A) 5.0 10-14 M.
B) 1.2 10-14 M.
C) 2.0 10-4 M.
D) 1.0 10-4 M.
E) none of these
Correct Answer:
Verified
Correct Answer:
Verified
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