S.E.Review

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Concentration

Back

The measurement of the amount of a sub-component (especially solute) in a solution.

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Physical Change Example

Back

Cutting a piece of paper into smaller pieces is an example of a physical change.

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How to make a solution less concentrated?

Back

Dilute it.

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What is Speed?

Back

Speed is the distance traveled per unit of time, e.g., a train travels 90 km in an hour.

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How to make a solution more concentrated?

Back

Add more solute.

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What is a Solute?

Back

A substance that is dissolved in a solution.

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What is a Solvent?

Back

Any substance, usually liquid, that is capable of dissolving one or several substances to create a solution.

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What is a Mixture?

Back

A combination of two or more substances where each retains its own properties.

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What is Dilution?

Back

The process of decreasing the concentration of a solution by adding more solvent.

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What is Velocity?

Back

Velocity is speed in a given direction.