Suppose That Ammonia, Applied to a Field as a Fertilizer

question 7

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) 20 L
• E) 320 L

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Definitions:

Flexibly

The quality of being adaptable or willing to adjust to new conditions, circumstances, or changes with ease.

Brainstorming

Brainstorming is a creative group activity used to generate a large number of ideas or solutions for a given problem or question.

Clustering

A method of thinking up ideas by writing the central topic in the middle of the page, circling it, writing down the ideas that topic suggests, and circling them.

Freewriting

A kind of writing uninhibited by any constraints. Freewriting may be useful in overcoming writer’s block, among other things.