Quantitative Expressions of Concentration
Qualitative expressions of concentration are relative terms, which do not provide the exact concentration of the solution. To characterize the concentrations of various solutions around us in an accurate and precise manner, we require quantitative expressions of concentration.
Generally, concentration is represented in both ways:
Concentration = Quantity of Solute / Quantity of Solution
or
Concentration = Quantity of Solute / Quantity of Solvent
To quantitatively express concentration, we use the following terms:
- Mass Percentage
- Volume Percentage
- Mass by Volume Percentage
- Parts per Million and Parts per Billion
- Molarity
- Molality
- Mole Fraction
Concentration of a Solution
Concentration of Solution is a measure of the amount of solute that has been dissolved in the given amount of solvent. In simple words, it means determining how much of one substance is mixed with another substance. As Concentration is a frequently used term in chemistry and other relevant fields, although it is most commonly used in the context of solutions, where it refers to the quantity of solute dissolved in a solvent. Concentration can be expressed in both qualitative or quantitative (numerically) terms.
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