A 0505 G Sample of a Monoprotic Base (Mm = 45

question 47

Multiple Choice

A 0.505 g sample of a monoprotic base (mm = 45.09 g/mol) was dissolved in water to produce 100.0 mL of solution with a pH = 11.84. What is the ionization constant of this base?

• A) 4.3 × 10^-5
• B) 1.9 × 10^-23
• C) 4.3 × 10^-4
• D) 3.4 × 10^-1
• E) 1.3 × 10^-11

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Definitions:

Interneuron

A type of neuron that serves as a connector or intermediary between sensory neurons and motor neurons in the central nervous system.

Central Nervous System

Comprises the brain and spinal cord, responsible for coordinating body activities.

Schwann Cells

Specialized cells that form the myelin sheath around nerve fibers in the peripheral nervous system, aiding in the rapid transmission of electrical signals.

Oligodendrocytes

A type of glial cell in the central nervous system that produces the myelin sheath, helping to increase the speed at which electrical impulses propagate along nerve cells.