The concentration of the sugar glucose ([tex]C_6H_{12}O_6[/tex]) in human blood ranges from 80 mg/dL before meals up to 120 mg/dL after eating. Find the molarity of glucose in blood before eating. Remember, 1 dL = 0.1 L.

Molar concentration is the degree of the concentration of a chemical species, especially of a solute in a solution, in phrases of quantity of a substance per unit quantity of answer. In chemistry, the most usually used unit for molarity is the variety of moles in line with liter.

We are given the human blood ranges from about 80 mg/dL before meals to 120 mg/dL after eating.

1 dL = 0.1 L

Mass of glucose before meal = 80 mg = 0.080 g

Mass of glucose after eating = 120 mg = 0.120 g

So, moles of glucose = 0.080 g / 180.16 g/ mol

= 0.000444 moles

Moles of glucose = 0.120 g / 180.16 g/mol

= 0.000666 moles

So, molarity of glucose in blood before eating = 0.000444 moles / 0.1 L

= 0.00444 M

molarity of glucose in blood after eating = 0.000666 moles / 0.1 L

= 0.00666 M

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