`\text{5. FeS + 2HCl → }`$FeCl_{2}+$ $H_{2}S$↑
`\text{6. }`4$Fe(OH)_{2}+$ $O_{2}$ + $2H_{2}O$ $\longrightarrow$ $4Fe(OH)_{3}$ ↓
`\text{7. }` $FeCl_{2}+$ $2NaOH_{}$ $\longrightarrow$ $Fe(OH)_{2}↓+$ $2NaCl_{}$
`\text{8. }`$MnO_{2}$ + $4HBr_{}$ $\longrightarrow$ $Br_{2}$ + $MnBr_{2}$ + $2H_{2}O$
`\text{9. }`$Cl_{2}$ + $SO_{2}$ + $2H_{2}O$ $\longrightarrow$ $2HCl_{}$ + $H_{2}$$SO_{4}$
`\text{10.}` $Ca(OH)_{2}$ + $2NH_{4}$$NO_{3}$ $\longrightarrow$ $2NH_{3}$ + $Ca(NO3)_{2}$ + $2H_{2}O$
VOTE MÌNH 5* KÈM CẢM ƠN NHÉ!
Chúc bạn học tốt ∧∧
