C2H4+Br2->C2H4Br2
0,1----0,1 mol-0,1
nBr2=16\160=0,1 mol
=>VC2H4=0,1.22,4=2,24l
=>mC2H4Br2=0,1.188=18,8g
C2H4+Br2->C2H4Br2
0,1----0,1 mol-0,1
nBr2=16\160=0,1 mol
=>VC2H4=0,1.22,4=2,24l
=>mC2H4Br2=0,1.188=18,8g
\(n_{Br2}=\frac{16}{160}=0,1mol\\ C_2H_4+Br_2->C_2H_4Br_2\\ =>n_{C2H4}=n_{C2H4Br2}=0,1mol\\ V=0,1.22,4=2,24l\\ m_{C2H4Br2}=0,1.188=18,8g\)