concentration
Sign in to saveIn chemistry, concentration is the abundance of a constituent divided by the total volume of a mixture. Several types of mathematical description can be distinguished: mass concentration, molar concentration, number concentration, and volume concentration. The concentration can refer to any kind of chemical mixture, but most frequently refers to solutes and solvents in solutions. The molar (amount) concentration has variants, such as normal concentration and osmotic concentration. Dilution is reduction of concentration, e.g., by adding solvent to a solution. The verb "to concentrate" means to
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Concentration is a measure of how much of a substance is present in a mixture, calculated by dividing the amount of that substance by the total volume. It's important because knowing the concentration tells us the strength or density of a mixture, which affects how a solution will behave and what it can do.
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Article
19 sectionsContents
- Etymology
- Qualitative description
- Formulation
- Mass concentration
- Molar concentration
- Number concentration
- Volume concentration
- Related quantities
- Normality
- Molality
- Mole fraction
- Mole ratio
- Mass fraction
- Mass ratio
- Dependence on volume and temperature
- Table of concentrations and related quantities
- See also
- References
- External links
In chemistry, concentration is the abundance of a constituent divided by the total volume of a mixture. Several types of mathematical description can be distinguished: mass concentration, molar concentration, number concentration, and volume concentration. The concentration can refer to any kind of chemical mixture, but most frequently refers to solutes and solvents in solutions. The molar (amount) concentration has variants, such as normal concentration and osmotic concentration. Dilution is reduction of concentration, e.g., by adding solvent to a solution. The verb "to concentrate" means to increase concentration, the opposite of dilute.
==Etymology== Concentration-, concentratio, action or an act of coming together at a house on a farm in a single place, bringing black people as slaves to a common center, was used in post-classical Latin in 1550 or earlier, similar terms attested in Italian (1589), Spanish (1589), English (1606), French (1632).