1.

Calculate the mass and charge of one mole of electrons.

Answer»

1 mol = 6.023 x 1023 units

Mass of 1 mol of electrons = Mass of an electron x 6.023 x 1023

= 9.1 x 10-31 kg x 6.023 x 1023

= 5.48 x 10-7 kg

Charge on 1 mol of electrons = charge on an electron x 6.023 x 1023

= 1.602 x 10-19 C x 6.023 x 1023

= 9.65 x 104 C.



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