Question

1)Дописать уровнение реакции,уровнять Na+...=Na20
...+Cl2=FeCl3
...+HCl=MgCl2+H2
2)Cl2+...=AlCL3
...+S=P2S3
...+H2SO4=Al2(SO4)3+H2

Answer 1

4Na+O2-->2Na2O
2Fe+3CL2-->2FeCL3
Mg+2HCL-->MgCL2+H2
3CL2+2AL-->2ALCL3
2P+3S-->P2S3
2Al+3H2SO4-->Al2(SO4)3 +3H2