Ответ:
Объяснение:
2CaS+2H-OH⇄Ca(HS)₂+Ca(OH)₂
2Ca²⁺+2S²⁻+2H-OH⇄Ca²⁺+2HS⁻+Ca²⁺+2OH⁻
2S²⁻+2H-OH⇄2HS⁻+2OH⁻
среда раствора щелочная (pH > 7).
Na₂SO₃+H-OH⇄NaHSO₃+NaOH
2Na⁺ + SO₃²⁻ + H-OH ⇄ Na⁺ + HSO₃⁻ +Na⁺+ OH⁻
SO₃²⁻ + H-OH ⇄ + HSO₃⁻ + OH⁻
HCOOK+H-OH⇄HCOOH+KOH
HCOO⁻+K⁺+H-OH⇄HCOOH+K⁺+OH⁻
HCOO⁻+H-OH⇄HCOOH+OH⁻
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Verified answer
Ответ:
Объяснение:
2CaS+2H-OH⇄Ca(HS)₂+Ca(OH)₂
2Ca²⁺+2S²⁻+2H-OH⇄Ca²⁺+2HS⁻+Ca²⁺+2OH⁻
2S²⁻+2H-OH⇄2HS⁻+2OH⁻
среда раствора щелочная (pH > 7).
Na₂SO₃+H-OH⇄NaHSO₃+NaOH
2Na⁺ + SO₃²⁻ + H-OH ⇄ Na⁺ + HSO₃⁻ +Na⁺+ OH⁻
SO₃²⁻ + H-OH ⇄ + HSO₃⁻ + OH⁻
среда раствора щелочная (pH > 7).
HCOOK+H-OH⇄HCOOH+KOH
HCOO⁻+K⁺+H-OH⇄HCOOH+K⁺+OH⁻
HCOO⁻+H-OH⇄HCOOH+OH⁻
среда раствора щелочная (pH > 7).