calculate the no. of moles of electrons in 1 kg of electrons???
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The mass of an electron is 9.1 * 10^-31 kg
Therefore number of electrons in 1kg = 1/(9.1 * 10^-31) electrons = 1.09 * 10^30 electron
Number of particles in 1 mole =6.023 * 10^23 (Avagadro’s constant)
So ,
Number of moles = number of electrons/ Avagadro’s constant = (1.09 * 10^30)/(6.023 * 10^23) = 1.8 * 10^6 electrons
Therefore number of electrons in 1kg = 1/(9.1 * 10^-31) electrons = 1.09 * 10^30 electron
Number of particles in 1 mole =6.023 * 10^23 (Avagadro’s constant)
So ,
Number of moles = number of electrons/ Avagadro’s constant = (1.09 * 10^30)/(6.023 * 10^23) = 1.8 * 10^6 electrons
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