This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
What is the amount of Sodium chloride (NaCl) in reduced Osmolarity Oral Rehydration Solution (ORS)? 
Select and explain. 
A. 2.6 gm/litre, B. 2.9 gm/litre, C. 3.5 gm/litre, D. 2.7 gm/litre
A: 2.6 gm/litre
Answer: A: 2.6 gm/litre 
Explanation: The composition of reduced osmolarity ORS is: Nacl 2.6gm/litre Tri sodium citrate 2.9 gm Potassium chloride 1.5 gm/litre Glucose 13.5gm/litre Ref: Park's Textbook of Preventive Medicine, 20th Edition, Page 197.