Предмет: Химия, автор: kamillagranat22

нужна ваша помощь, пожалуйста)

Приложения:

Ответы

Автор ответа: Valery0210

2

Ответ:

Объяснение:

1. Na₃PO₄+H₂O⇄Na₂HPO₄+NaOH

PO₄³⁻+HOH⇆HPO₄²⁻+OH⁻ - среда щелочная

K₂SO₄+H₂O≠ среда нейтральная

Al₂(SO₄)₃+2H₂O⇄2(AlOH)SO₄+H₂SO₄

Al³⁺+HOH⇆AlOH²⁺+H⁺ - среда кислая

BaI₂+H₂O≠ - среда нейтральная

2. S+O₂=SO₂

Na₂O+SO₂=Na₂SO₃

H₂+S=H₂S

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