Barium Carbonate Precipitation

BaCl2 + Na2CO3 → BaCO3↓ + 2NaCl

概述

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.

参与者

角色 物质 系数 状态
反应物 Sodium Carbonate Na₂CO₃ 1 (aq)
产物 Sodium Chloride NaCl 2 (aq)

日常示例

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

工业重要性

BaCO₃用于砖瓦制造以防止白霜(盐析)、陶瓷釉料,以及作为其他钡化合物的前驱体。

属性

类型
Precipitation
可逆
否
能量
放热
ΔH
-17.0 kJ/mol

相关反应

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.