Barium Carbonate Precipitation

BaCl2 + Na2CO3 → BaCO3↓ + 2NaCl

개요

Barium chloride reacts with sodium carbonate to form a white precipitate of barium carbonate (Ksp = 2.6 × 10⁻⁹). BaCO₃ occurs naturally as the mineral witherite. It dissolves in dilute acids with effervescence, releasing CO₂.

참여 물질

역할 물질 계수 상태
반응물 Sodium Carbonate Na₂CO₃ 1 (aq)
생성물 Sodium Chloride NaCl 2 (aq)

일상 속 예시

Barium carbonate is used in rat poison because its acid-solubility allows it to dissolve in stomach acid, releasing toxic barium ions.

산업적 중요성

BaCO₃는 백색 표면(효화)을 방지하기 위한 벽돌과 타일 제조, 세라믹 유약, 그리고 다른 바륨 화합물의 전구체로 사용됩니다.

성질

유형
Precipitation
가역 반응
아니오
에너지
발열
ΔH
-17.0 kJ/mol

관련 반응

Aluminum Hydroxide Precipitation Barium Sulfate Precipitation Cadmium Sulfide Precipitation (Yellow) Calcium Fluoride Precipitation (Fluorite) Calcium Phosphate Precipitation (Bone Mineral) Chromium(III) Hydroxide Precipitation Lead Carbonate Precipitation Lead Chloride Precipitation Calcium Carbonate Precipitation Iron(III) Hydroxide Precipitation

Frequently Asked Questions

What is the equation for Barium Carbonate Precipitation?
The balanced equation is: BaCl₂ + Na₂CO₃ → BaCO₃↓ + 2NaCl.
What type of reaction is Barium Carbonate Precipitation?
Barium Carbonate Precipitation is a precipitation reaction.
Is Barium Carbonate Precipitation exothermic or endothermic?
Barium Carbonate Precipitation is exothermic (releases energy). The enthalpy change (ΔH) is -17.0 kJ/mol.