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Whereas osmolality (with an "l") is defined as the number of osmoles (Osm) of solute per kilogram of solvent (osmol/kg or Osm/kg), osmolarity (with an "r") is defined as the number of osmoles of solute per liter (L) of solution (osmol/L or Osm/L). As such, larger numbers indicate a greater concentration of solutes in the plasma.
The osmolarity of a solution is usually expressed as Osm/L (pronounced "osmolar"), in the same way that the molarity of a solution is expressed as "M" (pronounced "molar"). Whereas molarity measures the number of moles of solute per unit volume of solution, osmolarity measures the number of osmoles of solute particles per unit volume of ...
This measurement gives the true plasma osmolality. The calculated osmolality is then subtracted from the measured osmolality to provide the osmol gap, or the difference between these two values. If this gap falls within an acceptable range,(<10) then it is assumed that sodium, glucose, BUN are indeed the major dissolved ions and molecules in ...
The term molality is formed in analogy to molarity which is the molar concentration of a solution. The earliest known use of the intensive property molality and of its adjectival unit, the now-deprecated molal, appears to have been published by G. N. Lewis and M. Randall in the 1923 publication of Thermodynamics and the Free Energies of Chemical Substances. [3]
In the present day, the method is applied, among other areas, in measuring osmolarity in lens care solutions as well as eye drops. [8] It is further used in clinical chemistry, pharmaceutical, and quality control laboratories, where it facilitates different processes. As compared to the other methods, the freezing point depression osmometer has ...
The gentle pH-balanced formula is free from glycerin and parabens and manufactured to the ideal osmolality for the body. On top of that, the pump top is thoughtfully designed for easy (and tidy ...
Cranberry Mimosa. Iowa, Kentucky, North Carolina, South Carolina, Virginia, Louisiana, Hawaii . Seven states seem to prefer a Christmas brunch drink for the holidays.
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