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Approximate molecular volume of hemoglobin

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Reference no: EM131661241

Hemoglobin is the protein molecule in red blood cells responsible for carrying oxygen in the blood. Each red blood cell contains about 250 million hemoglobin molecules. A typical adult has about 2.4 X 1013 red blood cells, which is about a quarter of the total number of cells in the human body. A red blood cell has an average volume of 90 femtoliters (10-15 liters or one quadrillionth of a liter).

  1. If it is assumed that entire volume of a red blood cell is filled with hemoglobin molecules, what is the approximate molecular volume of hemoglobin?
  2. There are four atoms of iron associated with every molecule of hemoglobin. How many grams of iron are in the blood of a typical individual?
  3. If the molecule hemoglobin is 0.340% iron by mass, what is the molar mass of hemoglobin?

Reference no: EM131661241

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