bổ túc và cân bằng các ot theo sơ đố 1, HCl+? →Cl2+?+? 2, HCl+?→CO2+?+? 3, KCl+? →HCl+?+? 4, Cl2 +? →NaClO+?+? 5, CaOCl2+? →HCl+? 6, ?+? →CuCl2+? 7, HCl +? →AgCl↓+? 8, Cl2+? →HClO+? 9, Cl2+?→CaOCl2+? 10, NaClO+ →NaHCO3 +?

4HCl+MnO2->MnCl2+CL2+2H2O

HCl+NaHCO3->NaCL+H2O+CO2

KCl+H2SO4->KHSO4+HCl

Cl2+2NaOH->NaClO+NaCl+H2O

CaOCl2+2HCl->CaCl2+H2O+Cl2

CuO+2HCl->CuCl2+H2O

HCl+AgNO3->AgCl+HNO3

Cl2+H2O->HCl+HClO

Cl2+Ca(OH)2->CaOCL2+H2O

NaClO+H2CO3->NaHCO3+HClO

Đáp án:

$1/ 4HCl+MnO2 --> MnCl2+Cl2+2H2O$

$2/ HCl+NaHCO3 --> NaCl+CO2+H2O$

$3/ KCl+H2SO4 --> KHSO4+HCl$

$4/ Cl2+2NaOH --> NaClO+NaCl+H2O$

$5/ CaOCl2+2HCl --> CaCl2+Cl2+H2O$

$6/ CuO+2HCl->CuCl2+H2O$

$7/ HCl+AgNO3 --> AgCl↓+HNO3$

$8/ Cl2+H2O --> HCl+HClO$

$9/ Cl2+Ca(OH)2 -->CaOCl2+H2O$

$10/ NaClO+H2CO3 -->NaHCO3+HClO$