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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