Determine the K_b for CN⁻ at 25°C

question 118

Multiple Choice

Determine the K_b for CN⁻ at 25°C.The K_a for HCN is 4.9 × 10^-10.

• A) 4.9 × 10^-14
• B) 2.3 × 10^-9
• C) 1.4 × 10^-5
• D) 2.0 × 10^-5
• E) 3.7 × 10^-7

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Definitions:

Respiratory Distress Syndrome

A serious condition that affects the lungs, characterized by insufficient surfactant leading to lung collapse, common in premature infants.

Forced Expiration

The act of expelling air from the lungs with effort beyond normal exhalation, often used in respiratory function testing.

Lymphatic Supply

The network of vessels and nodes that transport lymph, a fluid containing white blood cells and waste products, back into the circulatory system.

Superior-Inferior Dimension

Refers to a vertical orientation or measurement from the top (superior) to the bottom (inferior) of a structure.