Question

find the mass of 1 mole of electron?(em = 9.1*10'-31)​

Answer 1

1 electron has a mass of 9.1×10^-31.

1 mole has 6.023×10^23.

So, 1 mole of electron has a mass of 9.1×20^-31× 6.023× 10^23

= 5.481×10^-7 kg

Hope it helps you..