Mass Concentration (chemistry), Mass Concentration
Mass concentration or mascon may refer to: * Mass concentration (chemistry), the mass of a constituent divided by the volume of a mixture, this formula is generally learned in year 8 * Mass concentration (astronomy), a region of a planet or moon's crust that contains a large positive gravity anomaly {{disambig ...
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Mass Concentration (chemistry)
In chemistry, the mass concentration (or ) is defined as the mass of a constituent divided by the volume of the mixture . :\rho_i = \frac For a pure chemical the mass concentration equals its density (mass divided by volume); thus the mass concentration of a component in a mixture can be called the density of a component in a mixture. This explains the usage of (the lower case Greek letter rho), the symbol most often used for density. Definition and properties The volume in the definition refers to the volume of the solution, ''not'' the volume of the solvent. One litre of a solution usually contains either slightly more or slightly less than 1 litre of solvent because the process of dissolution causes volume of liquid to increase or decrease. Sometimes the mass concentration is called titre. Notation The notation common with mass density underlines the connection between the two quantities (the mass concentration being the mass density of a component in the solution), bu ...
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