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A student is investigating the distribution of charge in a conductor. He attaches two unopened soda cans on their sides to two foam cups with tape. He sets the soda cans with the cups onto a tabletop so that they are touching one another. Then he moves a negatively charged balloon close to the left soda can. The set up for the investigation is shown.
How do the electrons move in the soda cans?
A. They move from the right can to the left can.
B. They move to the bottom in both cans.
C. They move from the left can to the right can.
D. They move to the top of both cans.
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Ответ:
Ответ:
Explanation:
To find the number of moles in a substance given it's number of entities we use the formula
where n is the number of moles
N is the number of entities
L is the Avogadro's constant which is
6.02 × 10²³ entities
From the question we have
We have the final answer as
0.4 molesHope this helps you