A 500 ML Sample of 2

question 104

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. The formation constant of the complex ion Cu(CN) ₃^2- is 1.0 * 10⁹. What is the copper(I) ion concentration in this system at equilibrium

• A) 2.3 * 10^-14 M
• B) 1.3 * 10^-14 M
• C) 1.3 * 10^-13 M
• D) 2.3 * 10^-13 M
• E) None of the above

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Definitions:

Mood Disorder

A psychological condition characterized by the elevation or lowering of a person's mood, such as depression or bipolar disorder.

Depression

A mental health disorder characterized by persistently low mood, lack of interest in activities, and other symptoms that impair daily functioning.

Compulsions

Actions or thoughts repeatedly carried out by a person due to a compelling obsession.

Public Asylums

Institutions historically used for the care and confinement of individuals deemed mentally ill or otherwise societally undesirable.