Question

Составьте уравнения H2SO4 ---- H2 ---- HCl ---- CuCl2 ---- CuOH2

Answer 1

1) H2SO4+Ba=BaSO4+H2

2)H2+Cl2=2HCl

3)2HCl+Cu=CuCl2+H2

4)CuCl2+2NaOH=2NaCl+Cu(OH)2

Answer 2

H2SO4+Ba=BaSO4+H2

H2+Cl2=2HCl

2HCl+Cu=CuCl2+H2

CuCl2+2NaOH=Cu(OH)2+2NaCl