Why some substances vanish in water while others resist
In short: Solubility is a fundamental physical property of matter, much like boiling or melting points. This video explains how temperature dictates how much of a solid can dissolve in a liquid, and why these patterns change depending on the state of matter.
Solubility curves are graphs that map the amount of a specific salt that can dissolve in water across different temperatures. For example, copper (II) sulfate is significantly more soluble than potassium sulfate. These measurements are typically recorded as the number of grams of salt per 100g of water.
A key rule of solubility is that it generally increases as temperature rises, but this only applies to solids dissolving in liquids. When dealing with gases, the opposite trend occurs. Understanding these curves allows scientists to predict how substances will behave in various environments.
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Sources
- Summary by Intellect · source: Solubility Curves | Properties of Matter | Chemistry | FuseSchool
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