formula chimica generala a aminoacizilor monoamino- monocarboxilici
CnH2n+1NO2 cu M= 14n+1+14+32 g/mol
14n+47g acid.......contine 32gO
100g.............................35,95g O
3200= 35,95(14n+47)----. > n- 5---> D
