Reference no: EM1384950
Question: To gain a better feeling for atomic dimensions, assume that the page on which this question is printed is made entirely of the polysaccharide cellulose, whose molecules are described by the formula (CnH2nOn), where n can be a quite large number and is variable from one molecule to another. The atomic weights of carbon, hydrogen, and oxygen are 12, 1, and 16, respectively, and this page weighs 5 g.
A. How many carbon atoms are there in this page?
B. In cellulose, how many carbon atoms would be stacked on top of each other to span the thickness of this page (the size of the page is 21.2 cm × 27.6 cm, and it is 0.07 mm thick)?
C. Now consider the problem from a different angle. Assume that the page is composed only of carbon atoms. A carbon atom has a diameter of 2 × 10-10 m (0.2 nm); how many carbon atoms of 0.2 nm diameter would it take to span the thickness of the page?
D. Compare your answers from parts B and C and explain any differences.
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