C : 61,01% : 12 = 5,084 | : 1,695 = 3
H : 15,25% : 1 = 15 25 | : 1,695 = 9
N : 23,73% :14 = 1,695 | : 1,695 = 1 form. bruta : C3H9N
(3x12 + 9x1 + 1x14)n = 59 n = 1 form. moleculara : C3H9N
D : N(CH3)3
C : CH3-CH2-NH-CH3
B : CH3-CH(NH2)-CH3
A : CH3-CH2-CH2-NH2