Question

Срочно!!! Даю 30 баллов
ba-bah2-ba(oh) baco3-bacl2-baso4

Answer 1

2Ba + O₂ = 2BaO

BaO + H₂O = Ba(OH)₂

Ba(OH)₂ + Na₂CO₃ = BaCO₃ + 2NaOH

BaCO3 + 2HCl = BaCl₂ + H₂O + CO₂↑

BaCl₂ + H₂SO₄ = BaSO₄ + 2HCl