Calculate the PH of a 0

question 31

Multiple Choice

Calculate the pH of a 0.18 M solution of KNO₂. (K_a (HNO₂) = 4.5 x 10^-4)

• A) 5.70
• B) 8.30
• C) 2.05
• D) 11.95
• E) 9.91

---

Definitions:

Denial of Reality

A psychological defense mechanism in which individuals refuse to accept the truth of a situation or fact, often to protect themselves from discomfort.

Fantasy

A genre of fiction that involves magical or supernatural elements not existing in the real world.

Constructive Coping

Strategies that are adaptive and help in managing or overcoming stress and its effects in a positive manner.

Burnout

A state of physical, emotional, and mental exhaustion caused by long-term involvement in situations that are emotionally demanding.