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Dilution vs. Concentration: What's the Difference?

Edited by Harlon Moss || By Janet White || Published on January 22, 2024
Dilution is the process of decreasing the concentration of a solute in a solution, typically by adding more solvent, while concentration is the process of increasing the solute's proportion in a solution.

Key Differences

Dilution involves adding more solvent to a solution, thereby reducing the proportion of the solute. Concentration, in contrast, increases the solute's proportion, either by adding more solute or reducing the solvent.
In dilution, the overall volume of the solution increases, but the amount of solute remains constant. Concentration can involve evaporating solvent, thus decreasing the total volume while maintaining solute quantity.
The purpose of dilution is often to achieve a desired level of solute strength for various applications. Concentration is typically used to enhance the effectiveness or reactivity of a solute.
Dilution is key in processes where lower solute potency is required, like in medicine. In contrast, concentration is crucial in chemical synthesis, where higher solute strength is needed.
Laboratory practices frequently use dilution to adjust solution concentrations. Conversely, concentration techniques are used in labs to prepare solutions for experiments requiring high solute concentrations.

Comparison Chart


Adding solvent to decrease solute ratio
Increasing solute ratio in a solution

Volume Change

Increases overall solution volume
Decreases or maintains solution volume


To reduce solute strength
To enhance solute effectiveness


Used in medicine, beverage preparation
Used in chemical synthesis, laboratory work


Lower potency of the solute
Higher potency of the solute

Dilution and Concentration Definitions


Adding more liquid to a solution to lessen its potency.
Dilution of the juice made it less sweet.


The proportion of a substance within a mixture.
The concentration of salt in the water affected its boiling point.


The process of reducing a solute's concentration by adding solvent.
Dilution of the cleaning solution was necessary for safe use.


The act of making a solution more potent by reducing solvent.
Concentration of the dye gave it a deeper color.


Lowering the proportion of a substance in a mixture.
The dilution of the paint changed its color intensity.


Increasing the amount of a substance in a given volume.
He increased the sugar concentration in the recipe.


Decreasing the strength or intensity of a mixture.
The perfume's fragrance was reduced through dilution.


The process of increasing the proportion of a solute in a solution.
Concentration of the solution was necessary for the reaction.


The act of making something less concentrated.
He performed a dilution of the acid before the experiment.


Enhancing the strength or intensity of a substance in a mixture.
The tea's concentration made it very flavorful.


The process of making weaker or less concentrated.


The act or process of concentrating, especially the fixing of close, undivided attention.


A dilute or weakened condition.


The condition of being concentrated.


A diluted substance.


A decrease in the equity position of a share of stock because of the issuance of additional shares.


The process of making something dilute.


A solution that has had additional solvent, such as water, added to it into order to make it less concentrated.


The process of bringing in unskilled workers to replace skilled ones, for example during wartime.


(finance) share dilution


The act of diluting, or the state of being diluted.


A diluted solution


Weakening (reducing the concentration) by the addition of water or a thinner


What is dilution?

Dilution is reducing a solution's concentration by adding more solvent.

What is concentration?

Concentration is increasing the proportion of a solute in a solution.

Can dilution change a solution's properties?

Yes, it can alter properties like taste, color, and reactivity.

Why is concentration important in lab experiments?

Higher concentration can increase reactivity and effectiveness in reactions.

What is a common method of concentration?

Evaporating solvent to increase the solute's relative amount.

How do you calculate dilution?

By using the dilution equation, considering volumes and concentrations.

Does concentration affect boiling point?

Yes, higher concentration usually raises a solution’s boiling point.

How does dilution affect a chemical reaction?

It can decrease the reaction rate by reducing solute potency.

How does concentration affect a solution's color?

Higher concentration can intensify the color of a solution.

What is serial dilution?

It’s a stepwise dilution of a substance in a series of dilutions.

What tools are used for dilution in a lab?

Pipettes, volumetric flasks, and graduated cylinders are commonly used.

How does concentration affect pH?

Higher concentration of acidic or basic solutes can change the pH level.

Can concentration be used in food preparation?

Yes, to enhance flavors or adjust ingredient potency.

What is a diluent?

A diluent is a liquid used to dilute a solution.

Can you reverse dilution?

Not easily; removing solvent to restore concentration is challenging.

Why is concentration important in photography?

It affects the development process and quality of photographic prints.

Can dilution affect taste and aroma?

Yes, it can significantly alter both taste and aroma.

Is dilution used in medicine?

Yes, to adjust drug concentrations for safe and effective dosing.

Is dilution relevant in environmental science?

Yes, for understanding pollutant dispersion in ecosystems.

Does concentration affect solubility?

Yes, solubility can be limited by the concentration of the solute.
About Author
Written by
Janet White
Janet White has been an esteemed writer and blogger for Difference Wiki. Holding a Master's degree in Science and Medical Journalism from the prestigious Boston University, she has consistently demonstrated her expertise and passion for her field. When she's not immersed in her work, Janet relishes her time exercising, delving into a good book, and cherishing moments with friends and family.
Edited by
Harlon Moss
Harlon is a seasoned quality moderator and accomplished content writer for Difference Wiki. An alumnus of the prestigious University of California, he earned his degree in Computer Science. Leveraging his academic background, Harlon brings a meticulous and informed perspective to his work, ensuring content accuracy and excellence.

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