What Is an Example of a Slightly Soluble Substance? Explained with Calcium Sulfate

Learn about slightly soluble substances with calcium sulfate as a key example and understand its behavior in water.

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Calcium sulfate (CaSO4) is an example of a slightly soluble substance. This means it dissolves a little in water but not completely, forming a saturated solution where the dissolved and undissolved portions coexist.

FAQs & Answers

  1. What does it mean when a substance is slightly soluble? A slightly soluble substance dissolves only a small amount in water, resulting in a saturated solution where both dissolved and undissolved portions exist.
  2. Why is calcium sulfate considered slightly soluble? Calcium sulfate only partially dissolves in water, forming a solution where some solid remains undissolved, characterizing it as slightly soluble.
  3. What is a saturated solution? A saturated solution is one in which the maximum amount of solute has dissolved in a solvent, and any additional solute remains undissolved.