Which salt is formed when potassium hydroxide reacts with hydrochloric acid?

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Multiple Choice

Which salt is formed when potassium hydroxide reacts with hydrochloric acid?

Explanation:
Neutralization of a strong base with a strong acid forms a salt plus water. Here, potassium hydroxide provides K+ and OH−, while hydrochloric acid provides H+ and Cl−. The H+ reacts with OH− to make water, and the remaining ions pair up as the salt KCl. So the salt formed is potassium chloride. If a different acid were used, a different chloride-free salt would not form; for example, using sulfuric acid would give potassium sulfate, and using nitric acid would give potassium nitrate.

Neutralization of a strong base with a strong acid forms a salt plus water. Here, potassium hydroxide provides K+ and OH−, while hydrochloric acid provides H+ and Cl−. The H+ reacts with OH− to make water, and the remaining ions pair up as the salt KCl. So the salt formed is potassium chloride. If a different acid were used, a different chloride-free salt would not form; for example, using sulfuric acid would give potassium sulfate, and using nitric acid would give potassium nitrate.

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