Question

Решите цепочку: SO2→S H2S→NaHS→K2S→KCl→HCl→HNO3→NH4NO3

Answer 1

1) SO2+2H2S=3S+2H2O
2)S+H2=H2S
3)H2S+NaOH(в недостатке)=NaHS+H2O
4)NaHS*2KOH=K2S+H2O+NaOH
5)K2S+2HCl=2KCl+H2S
6)KCl+H2SO4(конц.)=HCl+KHSO4
7)AgNO3*HCl=AgCl+HNO3
8)HNO3+NH3=NH4NO3