Question

Viết sơ đồ tách hỗn hợp muối rắn sau:nacl,alcl3,fecl2,cucl2

Answer 1

\(\left(NaCl,AlCl_3,FeCl_2,CuCl_2\right)-NaOH,dư->ddA\left(NaCl,NaAlO_2,NaOH\right),hhB\left(Fe\left(OH\right)_2,Cu\left(OH\right)_2\right)\\ hhB-t^0->Fe_2O_3,CuO-H_2,t^0->Fe,Cu-HCl,dư->\left(HCl,FeCl_2\right),Cu\\ Cu-Cl_2,dư->CuCl_2\\ FeCl_2\left(bay.hơi,cô.cạn\right)\\ ddA-CO_2,dư->Al\left(OH\right)_3,ddC\left(NaCl,NaHCO_3\right)\\ ddC-HCl,dư->NaCl\\ Al\left(OH\right)_3-HCl,dư->AlCl_3\left(bay.hơi,cô.cạn\right)\)