(1)BD
(2)Cu(S)+H 2O 2(l)+2H +(aq)=====Cu 2+(aq)+2H 20(l)△H=-319.68J·mol -1
(3)H 2O 2分解速率加快
(4)2Cu 2++SO 3 2-+2Cl -+H 2O
2CuCl ↓+SO 4 2-+2H +
略
(1)BD
(2)Cu(S)+H 2O 2(l)+2H +(aq)=====Cu 2+(aq)+2H 20(l)△H=-319.68J·mol -1
(3)H 2O 2分解速率加快
(4)2Cu 2++SO 3 2-+2Cl -+H 2O
2CuCl ↓+SO 4 2-+2H +
略