Răspuns:
MC6H6=6x12+6x1=78g/mol
MC6H5Cl=6x12+5x1+35,5=112,5g/mol
n=m/M
m=nxM=5x112,5=562,5gC6H5Cl
78g......22,4L...............112,5g
C6H6 + Cl2 → C6H5Cl + HCl
xg..........yL.....................562,5g
x=562,5x78/112,5=calculeaza
y=224,4x562,5/112,5=caculeaza
Explicație: