CHEMWORK With the advent of techniques such as scanning tunneling microscopy, it is now possible to "write" with individual atoms by manipulating and arranging atoms on an atomic surface. a. If an image is prepared by manipulating iron atoms and their total mass is 1.30 x 10-20 g, what number of iron atoms were used? 1 mole = 6.022 x 1023 atoms Fe atoms b. If the image is prepared on a platinum surface that is exactly 22 platinum atoms high and 13 platinum atoms wide, wha is the mass (grams) of the atomic surface? g Pt c. If the atomic surface were changed to ruthenium atoms and the same surface mass as determined in part b is used, what number of ruthenium atoms is needed to construct the surface? Ru atoms
CHEMWORK With the advent of techniques such as scanning tunneling microscopy, it is now possible to "write" with individual atoms by manipulating and arranging atoms on an atomic surface. a. If an image is prepared by manipulating iron atoms and their total mass is 1.30 x 10-20 g, what number of iron atoms were used? 1 mole = 6.022 x 1023 atoms Fe atoms b. If the image is prepared on a platinum surface that is exactly 22 platinum atoms high and 13 platinum atoms wide, wha is the mass (grams) of the atomic surface? g Pt c. If the atomic surface were changed to ruthenium atoms and the same surface mass as determined in part b is used, what number of ruthenium atoms is needed to construct the surface? Ru atoms
Chemistry
10th Edition
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter3: Stoichiometry
Section: Chapter Questions
Problem 191IP: With the advent of techniques such as scanning tunneling microscopy, it is now possible to write...
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Transcribed Image Text:CHEMWORK
With the advent of techniques such as scanning tunneling microscopy, it is now possible to "write" with individual atoms by
manipulating and arranging atoms on an atomic surface.
a. If an image is prepared by manipulating iron atoms and their total mass is 1.30 x 10-20 g, what number of iron atoms
were used? 1 mole = 6.022 x 1023 atoms
Fe atoms
b. If the image is prepared on a platinum surface that is exactly 22 platinum atoms high and 13 platinum atoms wide, wha
is the mass (grams) of the atomic surface?
g Pt
c. If the atomic surface were changed to ruthenium atoms and the same surface mass as determined in part b is used,
what number of ruthenium atoms is needed to construct the surface?
Ru atoms
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