What Is the Minimum PH at Which Cobalt(II)hydroxide (K_sp =

question 82

Multiple Choice

What is the minimum pH at which cobalt(II) hydroxide (K_sp = 2.0 × 10^-16) will precipitate from an aqueous solution of 0.020 M in Co²⁺?

• A)5.8
• B)6.2
• C)7.0
• D)7.8
• E)8.2

---

Definitions:

Phobias

An intense, irrational fear of specific objects, activities, or situations that leads to avoidance behavior.

Mindfulness-based Therapy

A therapeutic approach that incorporates mindfulness practices, such as meditation, to promote mental health and well-being.

Exposure Therapy

A psychological treatment that involves the exposure to the feared object or context without any danger, in order to overcome anxiety.

Psychoanalytic Therapy

A therapeutic approach that emphasizes the role of unconscious processes in affecting conscious thoughts and behaviors, based on Freudian theory.