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Question

Calculate the mass and charge of one mole of electrons. 

Given: 
Mass of one electron = $$9.10 \times 10^{-31}$$ kg
Charge of one electron = $$1.602 \times 10^{-19}$$ coulomb


Solution

Mass of 1 mole of electrons:
$$\displaystyle 9.10 \times 10^{-31} \times 6.023 \times 10^{23}= 5.486 \times 10^{-7}\ kg $$
Charge of 1 mole of electrons:
$$\displaystyle 1.602 \times 10^{-19} \times 6.023\times 10^{23} = 9.647\times 10^{4}\ coulomb$$

Chemistry
NCERT
Standard XI

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