Question

Cata substanta dizolvata contine 100 cmcubi solutie centimolara adica 0,01 M de acid clorhidric (AH=1,ACl=35,5)UREGENT VA ROG

Answer 1

C=niu/V
niu=C*V
v=100  cm³=0,1l
niu=0,1*0.01=0.001moli
niu=m/M
m=niu*M
M=1+35,5=36,5
m=0.001*36,5=36,5*10^(-3) g