This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastro-Intestinal Tract, Subject name: Pharmacology
[{'content': 'Total osmolarity of WHO-New formula- low osmolality ORS is \nSelect and explain. \nA. 210 mOsm/L, B. 245 mOsm/L, C. 310 mOsm/L, D. 345 mOsm/L', 'role': 'user'}, {'content': 'Answer: B \nExplanation: New Formula WHO-ORS NaCl 2.6 g KCl 1.5 g Trisodium citrate 2.9 g Glucose 13.5 g Water 1 L Na+ 75 mmol/L K+ 20 mmol/L Cl- 65 mmol/L Citrate 10 mmol/L Glucose 75 mmol/L Total osmolality 245 mosm/L', 'role': 'assistant'}]