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  • 01-02-2024
  • Chemistry
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n an atom of an element there are a fixed number of electrons. If the total mass of electrons in 1 mole (6.022 x 1023) of atoms of a certain element is 37.85 mg, how many protons must there be in the nucleus of that atom? (mass of electron = 9.109 x 10–28 g).

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