Hello Aspirant,
Number of moles (N) weigh 1Kg of electrons can be calculated as described below :-
Mass of an electron= 9.1 x 10^-31 Kg
Avogadro Number=6.022 x^10^23
N = 1/(9.1 x 10^-31*6.022 x^10^23)
N = 1.8x10^6 moles of electron is the answer.
I hope this information helps you.
Good Luck!!
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