Which of the Following Solutions Has the Greatest Buffer Capacity

question 25

Multiple Choice

Which of the following solutions has the greatest buffer capacity?

• A) A 1.0 L aqueous solution of 1.00 M HCl
• B) A 1.0 L mixture of 1.00 M H₃PO₄ and 1.00 M H₂PO₄−
• C) A 1.0 L mixture of 1.00 M H₃PO₄ and 0.500 M NaOH
• D) A 1.0 L mixture of 1.00 M H₂PO₄− and 1.00 M HCl
• E) A 1.0 L aqueous solution of 0.75 M H₂SO₄

---

Definitions:

Negative Reinforcement

A behavioral principle where the removal of an unfavorable event or condition strengthens a behavior or increases its likelihood of being repeated.

Tension Reduction

A psychological process aiming to decrease stress and anxiety levels, often through relaxation techniques.

Hallucinogens

Drugs that change a person’s mental state by inducing perceptual and sensory distortions or hallucinations. Also called psychedelics, from the Greek for “soul” and “to make manifest.”