1-B
2-C
3-C
4-C
5-C
6-C
7-A
0,1667 moli V L
C2H5OH + 3O2 --> 2CO2 + 3H2O
1 3x22,4
=> V = 11,2 L O2
8-A
9,2 g m g
CH3CH2OH + 2[O] ---> CH3COOH + H2O
46 60
=> m = 9,2x60/46 = 12 g ac. acetic
9-B
notam alcoolul monohidroxilic saturat = CnH2n+2O
miu = 14n+18 g/mol
=>
100% ......................................... 52,17% C
14n+18 ..................................... 12n g C
=> n = 2 => C2H5OH, etanol