Question

va rog frumos!!! si explicatie​

Answer 1

Calculăm nr-ul de moli de acid acetic avem V=100 mL=0,01 L

Cm=0,1 M

Cm=n/Vs=>n=Cm*Vs

n=0,1*0,01

n=0,001 moli acid acetic(CH3-COOH)

Ni se cere masa de CH3-COOH

n=m/M

m=n*M

m=0,001*60=0,06 g acid acetic CH3-COOH

Baftă!