Two identical iron spheres have equal positive charges and the force between them when they are 1 m apart is 2 N.What percentage of the electrons has been removed from each sphere if each sphere has 1 mole (6 × 1023) of iron atoms? (ke = 8.99 × 109 N⋅m2/C2,the atomic number of iron is 26,and the electron charge is −1.6 × 10−19 C)
A) 0.001%
B) 0.000 002%
C) 1 × 10−8 %
D) 6 × 10−10 %
E) 6 × 10−12 %
Correct Answer:
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