Determine the weight of potassium in a 50 kg NPK (20:20:10) bag of fertilizer.
AGRICULTURE
WAEC 2012
Determine the weight of potassium in a 50 kg NPK (20:20:10) bag of fertilizer.
- A. 5.0 kg
- B. 7.0 kg
- C. 10.0 kg
- D. 20.0 kg
Correct Answer: C. 10.0 kg
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