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25 June, 04:32

What is the mass of 3.0 x 1023 atoms of neon

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Answers (2)
  1. 25 June, 06:27
    0
    1 mole = 6.0 * 10^23 atoms

    3.0*10^23 atoms = 0.5 moles

    the molar mass of neon is 20.18g/mole

    0.5 moles = 10.09 grams
  2. 25 June, 06:52
    0
    6.022*10^23 atom=20 gm

    3*1023 atom = 20*3*1023/6.022*10^23

    ans = 1.019*10^-19
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