osmolar --> osmotic
(Science: chemistry) Pertaining to or of the nature of osmosis (= the passage of pure solvent from a solution of lesser to one of greater solute concentration when the two solutions are separated by a membrane which selectively prevents the passage of solute molecules, but is permeable to the solvent).
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5% glucose = 5grams/100mls = 50grams/liter Molar mass of glucose = 180.16 grams/mole Therefore 50grams/liter = 0.278 M or 278 milli osmolar with respect to tonicity, since it does not dissociate. Answer should be near 5%. Start with 0.3 Osm in your problem = 0.3 M and work backwards.
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