Mass of a Mole of electron is
electron has a mass of 9.1 X 10¯³¹ kg.
1 mole has 6.023 X 10²³ particles.
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 or 548. 1 μg.(micro gram )
The mass of a mole of proton and electron isA. 1.007g and 0.55 mgB.9.11×10−28kgand9.1×10−28kgC. 2gm and 2gmD.6.023×1023gand6.023×1023g