Determine the number of moles present in 0.55mg of electron if 2 mole is given in the question
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Its simple..
Mass of one electron is 9.1*10^-31 kg, ie, 9.1*10^-25 mg
Now mass of one mole of electron,
=(mass of a electron in mg * NA )mg
=9.1*10^-25 * 6.022*10^23 mg
=54.8*10^-2 mg
=0.54.8mg
=0.55 mg
Thank you
Mass of one electron is 9.1*10^-31 kg, ie, 9.1*10^-25 mg
Now mass of one mole of electron,
=(mass of a electron in mg * NA )mg
=9.1*10^-25 * 6.022*10^23 mg
=54.8*10^-2 mg
=0.54.8mg
=0.55 mg
Thank you
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