How many moles of electrons weigh one kilogram?
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Solution ===》》》
Mass of electron = 9.1 x 10^-31Kg
One mole of electrons = 6.023x10^23
Mass of 1 mole of electrons =
6.023x10^23 x 9.1 x 10^-31Kg
How many moles of electrons = 1kg
= 1kg x 1mole/ 6.023x10^23 x 9.1 x 10^-31Kg
= = 108/ 9.1 X 6.023 mole of electrons
or
1.825 x 106 moles of electrons.
Mass of electron = 9.1 x 10^-31Kg
One mole of electrons = 6.023x10^23
Mass of 1 mole of electrons =
6.023x10^23 x 9.1 x 10^-31Kg
How many moles of electrons = 1kg
= 1kg x 1mole/ 6.023x10^23 x 9.1 x 10^-31Kg
= = 108/ 9.1 X 6.023 mole of electrons
or
1.825 x 106 moles of electrons.
swastik33roy:
ur answer is correct but kindly use '^' sign as it ks looking like 108 and not 10^8
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