The mass of half mole of electrons is about (Given: Mass of electron `=9.1 xx10^(-28)` g)

The mass of 1 mole of electron is:

The mass of 1 mole of electrons is

Calculate the mass of 1 mol of electrons if the mass of one electron be 9.11xx10^(-31)kg .

Calculate the change in mass of an object if 800 electrons are given to it Given: Mass of an electron is 9.1xx10^(-31) kg .

If 36.4xx10^(-15)g of mass is transferred when fur is rubbed with silk, find the number of electrons lost by fur? (mass of electron = 9.1xx10^(-31) kg ).

Find the energy equivalent of the mass of an electron . Given mass of electron =9xx10^(-31) kg.