Answer
See the answer below.
Work Step by Step
25 nm= 25000 pm
Area of the sheet:
$625×10^6\ pm^2$
N rings in the sheet:
$625×10^6\div 52400\approx 12000\ rings$
There are 6 $\pi$ electrons per ring so:
72,000 $\pi$ electrons.
Chemistry and Chemical Reactivity (9th Edition)
by Kotz, John C.; Treichel, Paul M.; Townsend, John R.; Treichel, David A.
Published by
Cengage Learning
ISBN 10:
1133949649
ISBN 13:
978-1-13394-964-0
Chapter 9 Bonding and Molecular Structure: Orbital Hybridization and Molecular Orbitals - Study Questions - Page 369g: 72
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