<prompt> Concentration of sodium in mOsml in low osmolar ORS is?45759060  <response>: Concentration of sodium in low osmolar ORS is 75 mOsml Osmolarity reduced to avoid possible adverse effects of hypeonicity on net fluid absorption by reducing the concentration of glucose and sodium chloride in the solution . Ref: PARK;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 23rd edition pg 224 