Question 57

Many diabetics must determine their blood sugar content daily. The measurements provided by the devices used for such purpose are in milligrams per deciliter.<br>(a) What is the concentration of glucose [$$\text{C}_6\text{H}_{12}\text{O}_6$$] in grams per liter when a reading of 95 is observed?<br>(b) What is the concentration in moles per litre?


Correct Answer: 0

Solution

PLACEHOLDER ANSWER - the question has two answers. (a) 95 mg per decilitre is 950 mg per litre, i.e. $$0.95\text{ g L}^{-1}$$. (b) The molar mass of glucose is 180, so the concentration is $$\frac{0.95}{180} \approx 5.28 \times 10^{-3}\text{ mol L}^{-1}$$.

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