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How many moles of electrons weigh one ki...

How many moles of electrons weigh one kilogram ?

A

`6.02xx10^23`

B

`1/9.1xx10^31`

C

`6.02/9.1xx10^54`

D

`1/(9.1xx6.02) xx10^8`

Text Solution

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The correct Answer is:
B
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