Which acid is considered a strong acid in aqueous solution?

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Q: Which acid is considered a strong acid in aqueous solution?

Solution: Hydrochloric acid (HCl) is a strong acid that completely dissociates in water.

Steps: 5

Step 1: Understand what an acid is. An acid is a substance that can donate protons (H+) in a solution.
Step 2: Learn about strong acids. Strong acids are those that completely dissociate into their ions when dissolved in water.
Step 3: Identify hydrochloric acid (HCl). HCl is a common strong acid.
Step 4: Know that when HCl is added to water, it breaks apart into H+ ions and Cl- ions completely.
Step 5: Conclude that hydrochloric acid (HCl) is considered a strong acid in aqueous solution.