1) 2H2 + O2 = 2H2O
2) H2O + Na2O = 2NaOH
3) NaOH + HBr = NaBr + H2O
4) NaBr + AgNO3 = AgBr↓ + NaNO3
3) Na⁺ + OH⁻ + H⁺ + Br⁻ = Na⁺ + Br⁻ + H2O
OH⁻ + H⁺ = H2O
4) Na⁺ + Br⁻ + Ag⁺ + NO₃⁻ = AgBr↓ + Na⁺ + NO₃⁻
Ag⁺+ Br⁻ = AgBr↓
Объяснение:
1) 2H2 + O2 = 2H2O
2) H2O + Na2O = 2NaOH
3) NaOH + HBr = NaBr + H2O
4) NaBr + AgNO3 = AgBr↓ + NaNO3
3) Na⁺ + OH⁻ + H⁺ + Br⁻ = Na⁺ + Br⁻ + H2O
OH⁻ + H⁺ = H2O
4) Na⁺ + Br⁻ + Ag⁺ + NO₃⁻ = AgBr↓ + Na⁺ + NO₃⁻
Ag⁺+ Br⁻ = AgBr↓
Объяснение: