Question

Помогите срочно!!!

1) K2S+ NCL --> H2S + KCl
2)CuCl2 + NaOH -->Cu(OH) 2 + Na
3) FeO + NBr --> FeBr2 + H2O​

Answer 1

1) K₂S + 2HCl = 2KCl + H₂S↑

2) CuCl₂ + 2NaOH = Cu(OH)₂↓ + 2NaCl

3) FeO + 2HBr = FeBr₂ + H₂O