mmol/l. Sin. Chemical process
     1  (NH2)2CO first Urea molecule
  2  (NH2)2CO second Urea molecule
     4  (NH2)2CO fourt Urea molecule
  ∞  Number of molecules


mmol/l. Sin. Chemical process
       8  C4H7N3O frst Creatiin molecule
  16  C4H7N3O Creatinin molecule (O cicle)
     32  C4H7N3O Creatinin molecule (Solidification)
  ∞  Number of molecules