The percentage of nitrogen present in ammonium sulphate is :

Options

A. 0.21
B. 0.25
C. 0.305
D. 0.18

Answer

A

Explanation

Ammonium sulfate, `(NH_4)_2SO_4` contains 21% nitrogen as ammonium cations, and 24% sulfur as sulfate anions. It is an inorganic salt which is most commonly used as a soil fertilizer.