Consider the Dissolution of MnS in Water (K_sp = 3

question 20

Multiple Choice

Consider the dissolution of MnS in water (K_sp = 3.0 × 10⁻¹⁴) . MnS(s) + H₂O(l) ⇄ Mn²⁺(aq) + HS⁻(aq) + OH⁻(aq)
How is the solubility of manganese(II) sulfide affected by the addition of aqueous potassium hydroxide to the system?

• A)The solubility will be unchanged.
• B)The solubility will decrease.
• C)The solubility will increase.
• D)The amount of KOH added must be known before its effect can be predicted.
• E)The p K _a of H ₂S is needed before a reliable prediction can be made.

---

Definitions:

Economic Efficiency

A state where resources are allocated in the most beneficial way, maximizing output while minimizing waste.

Unions

Organizations that workers join to protect their interests and rights through collective bargaining.

Industries

Broad sectors of the economy engaged in the production and distribution of goods or services, characterized by their respective specialization fields.

Occupations

Various forms of employment or professions in which individuals engage to earn a living.