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Barium carbonate is considered insoluble in water with only about 0.02 g/L dissolving at 20°C. However, it readily dissolves in acidic solutions.
~0.02 g per Liter at 20°C
Extremely low compared to soluble salts
~1 × 10⁻⁴ mol/L at 25°C
Derived from Ksp value
5.1 × 10⁻⁹ to 8.1 × 10⁻⁹
Confirms very low solubility
Highly soluble in acids like HCl and HNO₃
Forms soluble barium salts
When barium carbonate encounters an acid, it undergoes a chemical reaction where the carbonate ion reacts with hydrogen ions to form carbonic acid, which decomposes into water and carbon dioxide gas. The barium ions form a soluble salt with the acid’s anion.
Stable Crystal Lattice
Strong ionic bonds prevent dissolution
Low Water Solubility
Hydration energy insufficient to overcome lattice energy
Is barium carbonate soluble in water?
No, barium carbonate (BaCO3) is not soluble in water. It is a white solid that stays as a powder or sinks to the bottom in water. Some people call this insoluble. Barium carbonate does not go away in water.
Let’s learn why BaCO3 does not dissolve.
Most metal carbonates are insoluble. Only Group 1 metals and ammonium carbonates will dissolve in water.
Barium is a Group 2 element. That means barium carbonate does not dissolve.
Compound | Soluble? |
---|---|
Sodium carbonate | Yes (soluble) |
Potassium carbonate | Yes (soluble) |
Barium carbonate | No (insoluble) |
Calcium carbonate | No (insoluble) |
Magnesium carbonate | No (insoluble) |
Barium carbonate has strong bonds inside its crystal lattice. Water cannot break them easily. So, BaCO3 stays as solid.
BaCO3 is insoluble in water. But it dissolves in acids.
When you mix barium carbonate with acid (like HCl), it dissolves.
Equation:
BaCO3 (s) + 2HCl (aq) → BaCl2 (aq) + H2O (l) + CO2 (g)
The acid gives H+ ions. The CO3²⁻ turns into carbonic acid. Carbonic acid quickly becomes water and carbon dioxide gas. Some bubbles may come up. This takes away the CO3²⁻, so more BaCO3 can dissolve.
If water has dissolved CO2, a little BaCO3 can dissolve. It makes barium bicarbonate (Ba(HCO3)2). But it is still not much. This happens in rivers or lakes with lots of CO2.
Let’s see how much BaCO3 can dissolve.
Property | Value | What It Means |
---|---|---|
Solubility in Water | ~0.02 g/L at 20°C | Very low. Most stays as solid. |
Molar Solubility | ~1 x 10⁻⁴ mol/L at 25°C | Hardly any BaCO3 dissolves. |
Solubility Product (Ksp) | 5.1-8.1 x 10⁻⁹ at 25°C | Very low. Most BaCO3 does not dissolve. |
Solubility in Acid | High | Quickly forms a clear solution. |
Solubility in CO2 Water | Slightly more | But still not a lot. |
Barium Compound | Soluble? | Notes |
---|---|---|
Barium carbonate | No | Insoluble in water. Soluble in acid. |
Barium chloride | Yes | Soluble in water |
Barium nitrate | Yes | Soluble in water |
Barium sulfate | No | Even less soluble than BaCO3 |
Ba(OH)2 | Yes | Soluble |
Chemical Formula: BaCO3
Appearance: White powder or solid
State at Room Temp: Solid
MSDS/Data Sheet: Tells us it is a toxic substance.
Solubility: Not in water, yes in acid
BaCO3 is made of barium ions (Ba²⁺) and carbonate ions (CO3²⁻). It forms a strong ionic lattice.
Lattice energy makes the ions stick together. Water brings hydration energy, trying to pull ions apart. For BaCO3, lattice energy is much bigger, so it does not dissolve.
Compound | Solubility in Water |
---|---|
Sodium carbonate | High (soluble) |
Barium carbonate | Low (insoluble) |
Calcium carbonate | Low (insoluble) |
Magnesium carbonate | Low (insoluble) |
Why? Only Group 1 carbonates and ammonium carbonate are soluble.
Problem:
You need barium carbonate dissolved, but water does not work.
Agitate:
If you use only water, BaCO3 stays as a solid. Nothing happens. This can be a problem. You may want BaCO3 in a solution for your industry or lab.
Solution:
Add acid like HCl, HNO3, or H2SO4. The BaCO3 reacts with the acid. It makes a clear solution of barium salt (like BaCl2 or Ba(NO3)2), water, and bubbles of CO2.
Make sure you control the reaction and be safe.
You may need the best barium carbonate for your factory or school.
But where can you find trusted suppliers?
Some suppliers send poor quality with unknown purity or inconsistent grains.
You have a real problem.
Bad BaCO3 causes bad results in ceramics, glass, pyrotechnics, or research.
Impurities can ruin your final products.
We are Hunan Shangge Chemical Co., Ltd.
We make and sell high-quality barium carbonate and barium nitrate.
You can trust our custom manufacturing.
We are your Barium Carbonate Manufacturer and your Barium Carbonate Factory.
Why choose us?
Check more on our Barium Carbonate Wholesale and see real results.
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Feature | Description |
---|---|
Chemical formula | BaCO3 |
Physical state | White powder/solid |
Solubility in water | ≈0.02g/L at 20°C (very low) |
Solubility in acids | High (forms soluble barium salts) |
Ksp value at 25°C | 5.1–8.1 × 10⁻⁹ |
Toxicity | Toxic when dissolved (in acid or stomach) |
Main uses | Ceramics, glass, bricks, magnets, rat poison, water treatment |
Company for best BaCO3 | Hunan Shangge Chemical Co., Ltd. |
How to buy | Barium Carbonate Wholesale |
Barium carbonate (BaCO3) is insoluble in pure water. Still, it will dissolve in acids. This is important for chemistry, industry, safety, and environmental care.
If you want the best and safest BaCO3 for your needs, Hunan Shangge Chemical Co., Ltd. is ready to help with quality, price, and support.
Choose the right supplier and keep your work safe and strong!
To place your order or get more info, just check our Barium Carbonate Factory.