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Mass concentration
In chemistry, the mass concentration  (or ) is defined as the mass of a constituent  divided by the volume of the mixture :[1]
The volume  in the definition refers to the volume of the solution, not the volume of the solvent. One liter of a solution usually contains either slightly more or slightly less than 1 liter of solvent because the process of dissolution causes volume of liquid to increase or decrease. Sometimes the mass concentration is called titer.
https://en.wikipedia.org/wiki/Mass_concentration_(chemistry)
22Â¥2016-03-19 00:39:04
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Mass-volume percentage, (sometimes referred to as weight-volume percentage or percent weight per volume and often abbreviated as % m/v or % w/v) describes the mass of the solute in g per 100 mL of the resulting solution. Mass-volume percentage is often used for solutions made from a solid solute dissolved in a liquid. For example, a 40% w/v sugar solution contains 40 g of sugar per 100 mL of resulting solution.
23Â¥2016-03-19 00:56:13
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