Question

In: Chemistry

a person is consider diabetic when he or she has more than 126 mg of glucose...

a person is consider diabetic when he or she has more than 126 mg of glucose in every deciliter of blood, how many glucose molecules are there in 126 mg of glucose? ( use factor label method)

Solutions

Expert Solution

mass of glucose = 126 mg = 0.126 g

molar mass of glucose = 180 g / mole

moles of glucose = mass / molar mass

                          = 0.126 g / 180 g / mol

                          = 7.0 x 10^-4

number of molecules = moles x avagadro number

                                  = 7.0 x 10^-4 x 6.023 x 10^23

                                 = 4.22 x 10^20

number of molecules = 4.22 x 10^20


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