Question

Volumul de NH3 necesar obtinerii a 2,90 g acetamida din acid acetic este?

Answer 1

Ecuatia reactiei:

CH3COOH + NH3 = CH3COONH4

1) v=m/M; M(CH3COONH4)=77g/mol

v(CH3COONH4)=2.90:77=0.3mol

2) V(NH3)= v x Vm;

V(NH3) = 0.03mol x 22,4l/mol=0.672l

Raspuns: 0.672l