345.
6g C + 1g H + 4g O = 11 g compus organic
Compusul organic CaHbOd
11g comp. .... 6g C ... 1g H .... 4g O
88g ............... 12a ....... b ........ 16d
=> a = 4, b = 8 si c = 2
=> C4H8O2
C-C-C-CN + H2O --> C-C-C-COOH
C-C-C-Cl , clorura de propil
C-C(Cl)-C, clorura de isopropil
=> A)
346.
CnH2n+1NH2 = 87 g/mol
=> 14n+17=87 => n = 5
=> C)
c =