Solutions

Front

What is a solution?

Back

A homogeneous mixture composed of two or more substances, where a solute is dissolved in a solvent.

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What is a solute?

Back

The substance that is dissolved in a solution.

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What is a solvent?

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The substance in which the solute is dissolved, typically present in a greater amount.

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What is a saturated solution?

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A solution in which no more solute can dissolve at a given temperature, and excess solute remains undissolved.

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What is a supersaturated solution?

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A solution that contains more solute than it can normally dissolve at a given temperature, often achieved by heating the solution.

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What is a diluted solution?

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A solution that has a relatively low concentration of solute compared to the solvent.

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What happens when a saturated solution cools?

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It may become supersaturated, leading to the crystallization of excess solute.

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How can you identify a saturated solution?

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You can see undissolved solute at the bottom of the container.

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What is the effect of temperature on solubility?

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Generally, solubility of solids increases with temperature, while the solubility of gases decreases.

Front

What is concentration in terms of solutions?

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The amount of solute present in a given volume of solvent or solution, often expressed in molarity (moles per liter).