Asked Aug 27, 2019

The concentration of sugar (glucose, C6H12O6) in human

blood ranges from about 80 mg/dL before meals to 120 mg/dL after

eating. The abbreviation dL stands for deciliter 5 0.1 L. Find the

molarity of glucose in blood before and after eating.


Expert Answer

Step 1

Dear student,

There seems to be a typo in the question.

One Deci litre= 0.1 lit

Considering the same the below solution is being provided.

Step 2

Given data:

The concentration of sugar (glucose, C6H12O6) in human blood before meals = 80 mg/dL

After meals =120 mg/dL

1 dL = 0.1 L

We need to calculate the Molarity of Glucose in blood before and after eating.

Step 3

Calculate the mass and number of moles of Glucose in blood:

Mass of glucose before meal = 80 mg = 0.080 g

Formula to calculate number of moles = given mass / Gram molecular mass

The number of moles of glucose = 0.080 g / 180.16 g.mol-1


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