Calculate the total mass of 1 mole of electrons is (mass of 1electron=9.1*10^-31kg)

One mole is defined as the amount of substance having Avogadro’s number of particles

mass of 1 electron 9.1 X 10¯³¹ kg.

1 mole =6.023 X 10²³

So 1 mole of electrons has a mass of 9.1 X 10¯³¹ X 6.023 X 10²³

≈ 5.481 X 10^-7 kg

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