Respostas

2013-11-24T14:26:09-02:00
Tendo  C=12 N=14  H=1   (27g/mol)       2700ml/1000ml *0,6 mol   * 27g = ~ 43,74g

2013-11-24T14:32:48-02:00
Sendo :
HCN- 1+12+14=27 g/mol


2700 ml - 2,7 L
2,7 x 0,6 mol x 27g= 43,74  gramas