Ответ:
Объяснение:
ZnCl₂ + Na₂S → ZnS↓ + 2NaCl
Zn²⁺ + 2Cl⁻ + 2Na⁺ + S²⁻ = ZnS↓ + 2Na⁺ + 2Cl⁻
Zn²⁺ + S²⁻ = ZnS↓
Al(NO₃)₃ + 3NaOH = Аl(OH)₃↓ + 3NaNO₃
Al³⁺ + 3NO₃⁻ + 3Na⁺ + 3OH⁻ = Аl(OH)₃↓ + 3Na⁺ + 3NO₃⁻
Al³⁺ + 3OH⁻ = Аl(OH)₃↓
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Ответ:
Объяснение:
ZnCl₂ + Na₂S → ZnS↓ + 2NaCl
Zn²⁺ + 2Cl⁻ + 2Na⁺ + S²⁻ = ZnS↓ + 2Na⁺ + 2Cl⁻
Zn²⁺ + S²⁻ = ZnS↓
Al(NO₃)₃ + 3NaOH = Аl(OH)₃↓ + 3NaNO₃
Al³⁺ + 3NO₃⁻ + 3Na⁺ + 3OH⁻ = Аl(OH)₃↓ + 3Na⁺ + 3NO₃⁻
Al³⁺ + 3OH⁻ = Аl(OH)₃↓