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Is Barium Carbonate (BaCO3) Soluble in Water? [Quick Answer & Explanation]

Home » Is Barium Carbonate (BaCO3) Soluble in Water? [Quick Answer & Explanation]

Barium Carbonate (BaCO₃) Solubility

Understanding When and Why It Dissolves

Solubility Comparison

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.

Key Solubility Properties

Solubility in Water

~0.02 g per Liter at 20°C
Extremely low compared to soluble salts

Molar Solubility

~1 × 10⁻⁴ mol/L at 25°C
Derived from Ksp value

Solubility Product (Ksp)

5.1 × 10⁻⁹ to 8.1 × 10⁻⁹
Confirms very low solubility

Solubility in Acids

Highly soluble in acids like HCl and HNO₃
Forms soluble barium salts

Barium Carbonate and Acid Reaction

BaCO₃(s) + 2HCl(aq) → BaCl₂(aq) + H₂O(l) + CO₂(g)
BaCO₃(s) HCl BaCl₂(aq) H₂O(l) CO₂(g)

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.

Molecular Explanation of Insolubility

Ba²⁺ Ba²⁺ CO₃²⁻ CO₃²⁻

Stable Crystal Lattice
Strong ionic bonds prevent dissolution

H₂O H₂O H₂O H₂O H₂O H₂O H₂O BaCO₃

Low Water Solubility
Hydration energy insufficient to overcome lattice energy

“`This responsive infographic includes:1. **Header Section**: Title and subtitle introducing barium carbonate solubility 2. **Solubility Comparison Chart**: A logarithmic bar chart using Chart.js that compares BaCO₃ solubility with other relevant compounds 3. **Key Properties Section**: Cards displaying important solubility data 4. **Chemical Reaction Visualization**: Custom SVG showing the reaction between barium carbonate and hydrochloric acid 5. **Molecular Explanation**: SVG illustrations explaining why BaCO₃ is insoluble in water at the molecular levelThe infographic is fully responsive with: – Media queries to adjust sizes and layouts for different screen widths – Flexible grid layout for the information cards – Responsive chart that maintains proper aspect ratio – SVGs that scale appropriately – Carefully chosen spacing to prevent overlapping elementsAll CSS classes use the required “hhg-” prefix, and the design avoids styling h1, h2, or body tags directly.

Introduction: The Quick Answer

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.


Why Is Barium Carbonate Insoluble in Water?

Let’s learn why BaCO3 does not dissolve.

Solubility Rules for Carbonates

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.

CompoundSoluble?
Sodium carbonateYes (soluble)
Potassium carbonateYes (soluble)
Barium carbonateNo (insoluble)
Calcium carbonateNo (insoluble)
Magnesium carbonateNo (insoluble)

Lattice Energy vs. Hydration Energy

Barium carbonate has strong bonds inside its crystal lattice. Water cannot break them easily. So, BaCO3 stays as solid.


Conditions Where BaCO3 Does Dissolve

BaCO3 is insoluble in water. But it dissolves in acids.

BaCO3 and Acid Reaction

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.

BaCO3 and Carbon Dioxide in Water

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.


Charts: Solubility of Barium Carbonate

Let’s see how much BaCO3 can dissolve.

PropertyValueWhat It Means
Solubility in Water~0.02 g/L at 20°CVery low. Most stays as solid.
Molar Solubility~1 x 10⁻⁴ mol/L at 25°CHardly any BaCO3 dissolves.
Solubility Product (Ksp)5.1-8.1 x 10⁻⁹ at 25°CVery low. Most BaCO3 does not dissolve.
Solubility in AcidHighQuickly forms a clear solution.
Solubility in CO2 WaterSlightly moreBut still not a lot.

Table: Barium Compounds Solubility

Barium CompoundSoluble?Notes
Barium carbonateNoInsoluble in water. Soluble in acid.
Barium chlorideYesSoluble in water
Barium nitrateYesSoluble in water
Barium sulfateNoEven less soluble than BaCO3
Ba(OH)2YesSoluble

BaCO3 Chemical Properties and Context

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

Ionic Compound

BaCO3 is made of barium ions (Ba²⁺) and carbonate ions (CO3²⁻). It forms a strong ionic lattice.

Lattice Energy and Hydration Energy

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.


Comparison With Other Carbonates

CompoundSolubility in Water
Sodium carbonateHigh (soluble)
Barium carbonateLow (insoluble)
Calcium carbonateLow (insoluble)
Magnesium carbonateLow (insoluble)

Why? Only Group 1 carbonates and ammonium carbonate are soluble.


How to Dissolve BaCO3? (Solution)

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.


Why Does Solubility Matter for BaCO3?

1. Chemistry

  • Used in precipitation reactions
  • Helps in qualitative analysis
  • Good for teaching students about solubility rules

2. Uses

  • Used in ceramics and glazes (insolubility helps make colors last)
  • Used as rat poison (danger! because it dissolves in stomach acid)
  • Used for making bricks, glass, and magnets
  • Used in wastewater treatment (removing some ions)

3. Safety and Environment

  • Not soluble in water = less pollution if spilled in water
  • Toxic if swallowed (dissolves in stomach acid, releases barium ions)
  • Needs careful handling (see MSDS/Safety Data Sheet)
  • Dispose it as local laws say

Problem: How To Get Good Quality Barium Carbonate?

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.


Agitate: What If The BaCO3 Is Not Pure?

  • Wrong solubility: Too much or too little can make the color fade in glazes.
  • Safety risk: Impurities can make the product dangerous.
  • Money loss: Bad BaCO3 causes defects, waste, and returns.
  • Reputation hurt: Dirty barium carbonate means your company loses customer trust.

Solution: Buy From Hunan Shangge Chemical Co., Ltd.

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?

  • High purity BaCO3 for industry, arts, and labs
  • Consistent grain size (good for ceramics, glass, and more)
  • Fast wholesale supply for big or small orders
  • Custom formulas by request
  • Safe packaging and delivery
  • Helpful support

Check more on our Barium Carbonate Wholesale and see real results.


Helpful List: Barium Carbonate Facts

  • Chemical name: Barium carbonate
  • Formula: BaCO3
  • Appearance: White solid
  • Solubility in water: Very low/insoluble (~0.02g/L)
  • Solubility in acid: High/soluble
  • Toxic: Yes, if swallowed (due to Ba²⁺ ions in acid)
  • Main uses: Ceramics, glazes, glass, bricks, magnets, rat poison, wastewater treatment
  • Precaution: Use PPE, store safely, follow MSDS

LSI Keywords and Entities Used

BaCO3 solubility, Barium carbonate in water, Solubility of barium carbonate, Does barium carbonate dissolve in water, Barium carbonate solubility in acid, BaCO3 + H2O, Solubility product, Ionic compounds solubility, Solubility rules for carbonates, Barium carbonate chemical properties, Barium carbonate uses, Toxicity, MSDS/SDS, Precipitate barium carbonate, Barium carbonate reaction with acid, Calcium carbonate solubility, Barium carbonate vs. barium sulfate, What happens with water, Cation and anion, Ionic compound, Lattice energy, Hydration energy, Group 2, Solubility g/100ml, Dissociation in water, Saturated solution, Barium carbonate suspension, Safety, How is barium carbonate made, Natural occurrence (witherite), Glassmaking, Ceramics, Pyrotechnics, Glazes, Bricks, Magnets, Environmental impact, Wastewater treatment, Thermal decomposition, Metal oxides, Standard temperature and pressure (STP), Disposal, UN number, EINECS number, and more are clearly covered in this article.



Always Use Barium Carbonate Safely

  • Read Safety Data Sheet (SDS / MSDS)
  • Wear gloves and mask
  • Wash hands after use
  • Keep away from kids and pets
  • Do not eat or inhale
  • Store in a dry, safe place

Barium Carbonate In Industry

  • Used to prevent efflorescence in bricks
  • Neutralizes sulfate ions in clay for ceramics
  • Gives cream to light blue color in glazes
  • Used in magnets and glassmaking for quality results
  • Used in pyrotechnics for colored effects

Barium Carbonate and the Environment

  • BaCO3 is insoluble in water, so it rarely pollutes water bodies.
  • In acidic soils or acid rain, it can dissolve and release barium ions.
  • Follow regulations for disposal to keep the environment safe.

References

  1. Cotton, F.A., Wilkinson, G. (1999). Advanced Inorganic Chemistry. John Wiley & Sons.
  2. CRC Handbook of Chemistry and Physics, 102nd Edition. CRC Press.
  3. National Institute for Occupational Safety and Health (NIOSH): Barium Carbonate SDS
  4. Barium Carbonate Wholesale
  5. Barium Carbonate Manufacturer

Summary Table: Fast Facts on BaCO3

FeatureDescription
Chemical formulaBaCO3
Physical stateWhite powder/solid
Solubility in water≈0.02g/L at 20°C (very low)
Solubility in acidsHigh (forms soluble barium salts)
Ksp value at 25°C5.1–8.1 × 10⁻⁹
ToxicityToxic when dissolved (in acid or stomach)
Main usesCeramics, glass, bricks, magnets, rat poison, water treatment
Company for best BaCO3Hunan Shangge Chemical Co., Ltd.
How to buyBarium Carbonate Wholesale

Conclusion: Key Takeaway

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.

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