A Buffer Solution Is 0

question 42

Multiple Choice

A buffer solution is 0.500 M in ascorbic acid and 0.500 M in sodium ascorbate. Its pH is 4.10. After addition of 10 mL of 1 M NaOH to 1.00 L of this buffer, the most likely value of the pH is

• A) 4.08.
• B) 4.10.
• C) 4.12.
• D) 5.95.
• E) 10.15.

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Definitions:

Synaptic Cleft

The narrow gap between the terminal end of a neuron and the neighboring neuron or muscle cell, across which neurotransmitters can send signals.

Postsynaptic Membrane

The region of a synapse that receives and responds to neurotransmitter from another neuron.

Receptors

Proteins on the surface of cells that bind to specific molecules, triggering a response within the cell.

Muscle Fiber

A single muscle cell, known for its elongated shape, which contracts to produce bodily movements.