ANSWERS: 1
  • The relative molecular mass of Cholesterol is (12 x 27) + (1 x 46) + (16 x 1) = 386 g/ mol. Therefore 13.97 grams of cholesterol is - 13.97 / 386 = 3.6197 x 10^-2 mols Therefore the number of molecules is 3.6197 x 10^-2 x 6.022 x 10^23 (The avogadro constant) = 2.1797 x 10^22

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