What is the Difference Between Concentrated Acid and Strong Acid?
🆚 Go to Comparative Table 🆚The main difference between concentrated acid and strong acid lies in their degree of ionization and concentration in an aqueous solution. Here are the key distinctions:
- Strong Acid: A strong acid is one that fully dissociates to form H3O+ ions in an aqueous solution. It has a high capacity to release protons, and the released protons combine with water molecules to form hydronium ions (H3O+). Some examples of strong acids include hydrochloric acid (HCl) and sulfuric acid (H2SO4). Strong acids have a low pH, indicating a high acidity.
- Concentrated Acid: A concentrated acid has a high concentration of H3O+ ions in an aqueous solution but may not necessarily fully ionize. The concentration of an acid is measured in moles of acid per liter of solution (molarity). A concentrated weak acid, such as glacial acetic acid, has a high concentration of the acid but may not fully dissolve into ions in the solution.
In summary, a strong acid is fully ionized in an aqueous solution and has high acid strength, while a concentrated acid has a high concentration of H3O+ ions in the solution. A concentrated acid may or may not have a high acid strength, and it may or may not be fully ionized.
Comparative Table: Concentrated Acid vs Strong Acid
Here is a table comparing the differences between concentrated acid and strong acid:
Property | Concentrated Acid | Strong Acid |
---|---|---|
Definition | A concentrated acid is an acid solution with a high amount of acid molecules per unit volume of solution. | A strong acid is an acid that completely dissociates in an aqueous solution, releasing H+ ions (protons). |
Degree of Ionization | Concentrated acids may partially or fully ionize in aqueous solutions. | Strong acids fully dissociate into their ions in water, producing a large number of hydronium ions. |
Molarity | Concentrated acids have a high concentration of acid molecules per unit volume of solution, measured in moles per liter. | The strength of an acid depends on the degree of ionization, not the concentration of the solution. |
Examples | Sulfuric acid (H2SO4), nitric acid (HNO3), perchloric acid (HClO4), and hydrobromic acid (HBr) are examples of strong acids. | A low concentration of a strong acid, such as 0.001M hydrochloric acid, would be an example of a dilute strong acid. |
Corrosiveness | Both concentrated acids and strong acids are very corrosive forms of acids. | Both concentrated acids and strong acids are very corrosive forms of acids. |
In summary, concentrated acids are defined by their high concentration of acid molecules, while strong acids are defined by their complete dissociation into ions in aqueous solutions. The strength of an acid is determined by its degree of ionization, not its concentration.
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