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20 November, 23:49

How many moles of mercury atoms are in 5.418 x 1023 atoms of mercury? moles

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Answers (2)
  1. 21 November, 00:00
    0
    We have 0.8997 moles of mercury in 5.418 * 10^23 atoms of mercury

    Explanation:

    Step 1: Data given

    Number of atoms of mercury = 5.418 * 10^23 atoms

    Number of Avogadro = 6.022 * 10^23 / mol

    Step 2: Calculate number of moles of mercury

    Moles mercury = number of atoms mercury / number of Avogadro

    Moles mercury = 5.418 * 10^23 / 6.022*10^23 / mol

    Moles mercury = 0.8997 moles

    We have 0.8997 moles of mercury in 5.418 * 10^23 atoms of mercury
  2. 21 November, 00:11
    0
    0.9 moles of Hg contain 5.418*10²³ atoms

    Explanation:

    As we know, Avogadro's number (NA) is the amount of particles that are contained in 1 mol → 6.02*10²³

    Let's make a rule of three for this:

    6.02*10²³ atoms are contained in 1 mol of Hg

    5.418*10²³ atoms would be contained in (5.418*10²³. 1) / NA = 0.9 moles
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