What Are 3 Common Substances That Dissolve in Water?

Learn about three common substances—salt, sugar, and vinegar—that dissolve in water and how they form solutions.

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Salt, sugar, and vinegar are three substances that dissolve in water.** Salt (sodium chloride) dissolves to form a saline solution. Sugar (sucrose) dissolves easily, sweetening the water. Vinegar (acetic acid) mixes completely with water, forming a homogenous solution.

FAQs & Answers

  1. What does it mean when a substance dissolves in water? When a substance dissolves in water, it breaks down into smaller particles and mixes uniformly, forming a homogeneous solution.
  2. Why does salt dissolve in water? Salt dissolves in water because water molecules surround the sodium and chloride ions, separating them and distributing them evenly throughout the solution.
  3. Can vinegar dissolve in water? Yes, vinegar (which contains acetic acid) completely mixes with water, forming a uniform solution.

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