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
Total osmolarity of WHO-New formula- low osmolality ORS is 
Select and explain. 
A. 210 mOsm/L, B. 245 mOsm/L, C. 310 mOsm/L, D. 345 mOsm/L
B: 245 mOsm/L
Answer: B: 245 mOsm/L 
Explanation: 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