This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General, Subject name: Social & Preventive Medicine
Which of the following about the composition of new ORS is wrong? 
Select and explain. 
A. NaCl- 2.6 grams /Litre, B. KC1 - 1.5 grams/litre, C. Glucose - 13.5 grams/litre, D. Total osmolarity - 300 mmol/1
D: Total osmolarity - 300 mmol/1
Answer: D: Total osmolarity - 300 mmol/1 
Explanation: ANSWER: (D) total osmolarity - 300 mmol/1REF: Park 20th edition page 197 &198Indirect repeat in December 2011COMPOSITION OF REDUCED OSMOLARITY ORS:_(245 mOsm/L) Gms/ litremMol/litSodium chloride2.6Na (75 ) , Cl ( 65 )Anhydrous glucose13.575Potassium chloride1.5K( 20 )Tri sodium citrate2.910Total osmolarity 245Total weight20.5