Q2. How does a strong add different from a concentrated acid?
Answers
A strong acid is one that fully dissociates to form H3O+ ions in aqueous solution, where as a weak acid only does so partially. A concentrated acid, on the other hand, is one that has a very high concentration of H3O+ ions in aqueous solution.
"Strong" refers to degree of ionisation, wholst "concentrated" refers to moles of acid per litre of solution (molarity).
Explanation:
A strong acid is one that fully dissociates to form H3O+
ions in aqueous solution, where as a weak acid only does so partially.
A concentrated acid, on the other hand, is one that has a very high concentration of H3O+
ions in aqueous solution.
The distinction is important, as you may have a low concentration of an acid that fully ionizes (such as 0.001M hydrochloric acid) which is a dilute strong acid.
Alternatively you can have a high concentration of an acid that only partially ionizes (e.g. 17M acetic) which is a concentrated weak acid.
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