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:The oxidation state(s) of nitrogen in ammonium…A band of 500 rectangular loops of wire of area 20cm…If urea fertilizer contains 46% nitrogen. calculate…From the following figures in the accounting books…If 200kg of NPK fertilizer is required for an…