Multiple choice

Which one of the following compounds has the highest percentage of nitrogen?

  1. Ammonium nitrate

  2. Urea

  3. Calcium nitrate

  4. Ammonium chloride

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Urea (NH2CONH2) has a molar mass of 60 g/mol and contains 28 g of nitrogen, resulting in approximately 46.6 percent nitrogen by mass, which is higher than the other options.