•Hydrogen
 reacts with nitrogen to form NH3.
 • theoretically  it is
 should be that when 6 g of hydrogen reacts completely with  28 g of nitrogen,  34 g of ammonia is formed.
 •However in real chemical reactions actual __ g of hydrogen reacting with __ g of
 nitrogen,  __ g of ammonia is produced need be
 experimentally determined. 
 •