Which of the following is a salt?

Prepare for the Acids, Bases, and Salts Test. Study with flashcards and multiple-choice questions, each question has hints and explanations. Get ready for your exam!

Multiple Choice

Which of the following is a salt?

Explanation:
A salt is an ionic compound formed when an acid reacts with a base, leaving behind ions that make up the salt. In common table salt, sodium chloride, the ions are Na+ from the base and Cl− from the acid, and it readily dissociates into these ions in solution. This combination of a metal (or basic cation) with a nonmetal or polyatomic anion fits the salt definition. The other substances are acids or bases: HCl and H2SO4 are acids, providing protons in solution, and NaOH is a base, providing hydroxide. They do not fit the salt category by themselves. Therefore, the salt here is the compound composed of Na+ and Cl−.

A salt is an ionic compound formed when an acid reacts with a base, leaving behind ions that make up the salt. In common table salt, sodium chloride, the ions are Na+ from the base and Cl− from the acid, and it readily dissociates into these ions in solution. This combination of a metal (or basic cation) with a nonmetal or polyatomic anion fits the salt definition.

The other substances are acids or bases: HCl and H2SO4 are acids, providing protons in solution, and NaOH is a base, providing hydroxide. They do not fit the salt category by themselves. Therefore, the salt here is the compound composed of Na+ and Cl−.

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