After 500 ML of a 0

question 107

Multiple Choice

After 50.0 mL of a 0.100 M solution of NaOH is added to 50.0 mL of a 0.100 M solution of an unknown acid, the equilibrium pH is basic. What may be concluded about the identity of the acid?

• A) The acid can only be a strong monoprotic acid.
• B) The acid can only be a weak monoprotic acid.
• C) The acid must be a strong acid, but could be either monoprotic, diprotic, or polyprotic.
• D) The acid must be a weak acid, but could be either monoprotic, diprotic, or polyprotic.
• E) The acid could be either a strong or weak acid, and could be either a monoprotic, diprotic, orpolyprotic acid.

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Definitions:

DTRs

Deep tendon reflexes; responses to muscle stimulation by a sudden stretch, tested by tapping the tendon with a reflex hammer.

Pacemaker Cells

Specialized heart cells that control the rhythmic beating of the heart by generating electrical impulses.

Cardiac Muscle

Specialized muscle tissue found only in the heart, responsible for the rhythmic contractions that pump blood throughout the body.

Stimulation

The action of encouraging or arousing interest, activity, or enthusiasm in a biological, physical, or chemical system.