A Solution Contains 2

question 77

Multiple Choice

A solution contains 2.2 × 10^-3 M in Cu²⁺ and 0.33 M in LiCN.If the K_f for Cu(CN) ₄^2- is 1.0 × 10²⁵,how much copper ion remains at equilibrium?

• A)3.8 × 10^-24 M
• B)1.9 × 10^-26 M
• C)6.7 × 10^-28 M
• D)2.9 × 10^-27 M
• E)4.6 × 10^-25 M

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Definitions:

Myelencephalon

The rear part of the brainstem comprising the medulla oblongata, involved in autonomic functions like breathing and heart rate.

Mesencephalon

Also known as the midbrain, it is a portion of the central nervous system associated with vision, hearing, motor control, sleep/wake, arousal, and temperature regulation.

Neural Crest Cells

Embryonic cells that give rise to a diverse range of tissues in vertebrates, including peripheral nerves, the adrenal glands, and facial cartilage.

Diencephalon

The Diencephalon is a region of the brain that includes structures such as the thalamus and hypothalamus, involved in sensory and neural functions.