If the percentage of nitrogen in ammonium sulphate fertilizer is 20%, calculate the amount of nitrogen in 500 kg of the fertilizer. by Sunday | Jul 4 | Agricultural Science WAEC | 0 comments A. 20 kg B. 40 kg C. 50 kg D. 100 kg E. 250 kg Correct Answer: Option D – 100 kg Users Also Read These:A band of 500 rectangular loops of wire of area 20cm…Calculate the percentage by mass of nitrogen in…The system of election whereby each political party…A farmer applied NPK 15:11:8 at planting. What is…If 200kg of NPK fertilizer is required for an…