The Equilibrium Expression for the Hydrolysis of a Weak Base

question 117

Multiple Choice

The equilibrium expression for the hydrolysis of a weak base, A^-, in water is:

• A) K_b = [A^-]/[OH^-][H₃O⁺]
• B) K_b = [OH^-][H₃O⁺]/[A^-]
• C) K_b = [OH^-][HA]/[A^-]
• D) K_b = [OH^-][A^-]/[HA]
• E) K_b = [OH^-][HA]/[A^-][H₃O⁺]

---

Definitions:

Break-Even

The point at which total costs and total revenues are equal, meaning that a business or product is neither making a profit nor sustaining a loss.

Sales Dollars

The total revenue generated from the sale of goods or services by a company before any expenses are deducted.

Common Fixed Expenses

Costs that do not change with the level of output or sales, shared across different sections or products of a business.

Break-Even

The point at which total costs and total revenue are equal, resulting in no net loss or gain.