Question: how to calculate charge of one mole of electron?
Answer: This is defined as one Faraday. You mean: How I calculate the charge on one mole of electrons. Well, the charge on a single electron is 1.6 x 10^-16 Coulomb, and there are 6.02 x 10^23 electrons per mole, so the charge will be (1.6 x 10^-16) x (6.02 x 10^23) = 96500 C which is called 1 Faraday.