Determine the weight of potassium in a 50 kg NPK (20:20:10) bag of fertilizer.

by | Jan 20 | Agricultural Science WAEC | 0 comments

A. 5.0 kg
B. 7.0 kg
C. 10.0 kg
D. 20.0 kg

Correct Answer: Option C

C. 10.0 kg

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