If the percentage of nitrogen in ammonium sulphate fertilizer is 20%, calculate the amount of nitrogen in 500 kg of the fertilizer.

Answer Details

If the percentage of nitrogen in ammonium sulphate fertilizer is 20%, then 20% of 500 kg will be: 20/100 x 500 kg = 100 kg Therefore, the amount of nitrogen in 500 kg of the fertilizer is 100 kg. Hence, the correct option is 4. 100 kg.