Suppose That Ammonia, Applied to a Field as a Fertilizer

question 104

Multiple Choice

Suppose that ammonia, applied to a field as a fertilizer, is washed into a farm pond containing 3.0 * 10⁶ L of water. If the pH of this pond is found to be 9.81, what volume of liquid ammonia found its way into the pond? [Given: K_b(NH₃) = 1.8 * 10^-5; the density of liquid ammonia is 0.771 g/cm³]

• A) 15 L
• B) 25 L
• C) 11 L
• D) 19 L
• E) 320 L

---

Definitions:

Interest Allowances

Financial incentives or rebates given to borrowers, typically reducing the amount of interest they need to pay on loans.

Salary Allowance

A fixed amount of money paid regularly to employees in addition to their normal salary for specific purposes.

Net Income

The total profit of a company after accounting for all costs and expenses, including taxes and interest.

Division

A large section or branch of a company that operates somewhat independently while remaining part of the larger entity.