Dilution: Difference between revisions
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Latest revision as of 09:39, 17 March 2025
Dilution is the process of reducing the concentration of a solute in a solution, usually by mixing with more solvent. In the context of chemistry, dilution is a common laboratory technique used to achieve desired concentrations of solutions for various experiments and applications.
Process of Dilution[edit]
The process of dilution involves adding a solvent, such as water, to a solution to decrease the concentration of the solute. The relationship between the concentrations and volumes before and after dilution can be described by the equation:
\[ C_1V_1 = C_2V_2 \]
where:
- \( C_1 \) is the initial concentration,
- \( V_1 \) is the initial volume,
- \( C_2 \) is the final concentration,
- \( V_2 \) is the final volume.
Applications[edit]
Dilution is widely used in various fields, including:
- Pharmacology: To prepare medications at the correct dosage.
- Biology: To prepare solutions for experiments involving cell cultures and biochemical assays.
- Environmental science: To analyze pollutants in water samples.
- Food science: To adjust the flavor and concentration of ingredients.
Types of Dilution[edit]
There are several types of dilution, including:
- **Serial Dilution**: A stepwise dilution of a substance in solution, often used in microbiology to reduce the concentration of cells or viruses.
- **Simple Dilution**: A single dilution step, typically used in everyday laboratory practices.
Serial Dilution[edit]
Serial dilution involves diluting a substance in a series of steps, each time reducing the concentration by a fixed factor. This method is particularly useful in microbiology for estimating the concentration of microorganisms in a sample.
Simple Dilution[edit]
Simple dilution is the process of diluting a solution in one step. For example, adding 1 part of a concentrated solution to 9 parts of solvent results in a 10-fold dilution.
Related Concepts[edit]
See Also[edit]
References[edit]
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External Links[edit]
