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How many moles of electrons weigh one ki...

How many moles of electrons weigh one kilogram?
(Mass of electron `=9.108xx10^(-31)` kg, Avogadro's number `=6.023xx10^(23)`)

A

`6.023 xx 10^(23)`

B

`1/(9.108) xx 10^(31)`

C

`(6.023)/(9.108) xx 10^(54)`

D

`1/(9.108 xx 6.023) xx 10^(8)`

Text Solution

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The correct Answer is:
B
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