Concentration: Type of physical property; the abundance of a constituent divided by the total volume of a mixture
In chemistry, concentration is how much of a substance is mixed with another substance.
The substance that is dissolved (shown as the red dye in the example) is known as the solute. The substance in which the solute is dissolved (shown as the water in the example) is known as the solvent.
To concentrate a solution, one must add more solute, or reduce the amount of solvent. To dilute a solution, one must add more solvent, or reduce the amount of solute.
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