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Osmotic concentration, formerly known as osmolarity, [1] is the measure of solute concentration, defined as the number of osmoles (Osm) of solute per litre (L) of solution (osmol/L or Osm/L). 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 ...
The process of osmosis over a semipermeable membrane.The blue dots represent particles driving the osmotic gradient. Osmosis (/ ɒ z ˈ m oʊ s ɪ s /, US also / ɒ s-/) [1] is the spontaneous net movement or diffusion of solvent molecules through a selectively-permeable membrane from a region of high water potential (region of lower solute concentration) to a region of low water potential ...
The proportionality to concentration means that osmotic pressure is a colligative property. Note the similarity of this formula to the ideal gas law in the form = = where n is the total number of moles of gas molecules in the volume V, and n/V is the molar concentration of gas molecules.
Osmoregulation is the active regulation of the osmotic pressure of an organism's body fluids, detected by osmoreceptors, to maintain the homeostasis of the organism's water content; that is, it maintains the fluid balance and the concentration of electrolytes (salts in solution which in this case is represented by body fluid) to keep the body fluids from becoming too diluted or concentrated.
Plasma osmolality measures the body's electrolyte–water balance. [1] There are several methods for arriving at this quantity through measurement or calculation. Osmolality and osmolarity are measures that are technically different, but functionally the same for normal use.
“This elevated UV exposure can result in thicker grape skins, leading to wines with greater concentration, intensity, and depth of color. Additionally, the higher skin-to-juice ratio often ...
The osmotic pressure is proportional to the concentration of solute particles ci and is therefore a colligative property. As with the other colligative properties, this equation is a consequence of the equality of solvent chemical potentials of the two phases in equilibrium.
They found that the most expensive ones (retailing for more than $15) contained the largest concentration of the chemicals, according to a study published in Environmental Science and Technology.