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CBSE Class 11-science Answered

pls explain
Asked by mufeedatvp2000 | 21 Apr, 2020, 01:36: PM
Expert Answer
Blood sugar level = 720 ppm
Density of human blood = 1.06 kg/L
1L blood contains =1.06 kg
Total blood in the human body = 6L
1ppm = Mass of sugar/ Mass of blood 
720 =Mass sugar/1.06
Mass of sugar =  763.2 mg = 0.763 g
Concentration of sugar = n/v = 0.763/180/1 = 4.23××103mol/L = 4.23 mmol/L
We know that 1mmol/L= 18mg/dL
So, 4.23 mmol/L = 76.3 mg/dL
Hence, the blood sugar is in range of normal so option (a) is right
Normal human blood sugar range is 65-105 mg/dL. Considering density of human blood 1.06 kg/L, a patient sugar level reads 720 ppm thus his/her blood sugar at that time is normal.
Answered by Sheetal Kolte | 22 Apr, 2020, 10:27: AM
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