Calculate the PH of the Solution Resulting from the Addition

question 79

Multiple Choice

Calculate the pH of the solution resulting from the addition of 10.0 mL of 0.10 M NaOH to 50.0 mL of 0.10 M HCN (K_a = 4.9 * 10^-10) solution.

• A) 5.15
• B) 8.71
• C) 5.85
• D) 9.91
• E) 13.0

---

Definitions:

Physiological Psychologists

Specialists who study the biological bases of behavior, often focusing on the brain and nervous system.

Clinical Psychologists

Professionals specializing in diagnosing and treating mental, emotional, and behavioral disorders through therapy.

Personality Psychologists

Specialists within psychology who study the organization of individual personality traits, how they vary among individuals, and how they influence behavior.

Emotional Stability

A personality trait characterized by consistency in emotional reactions and feelings, with a lower tendency towards mood swings.