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29 March, 23:57

How many moles of chlorine (Cl) atoms are in a sample of 1.72 x 1022 atoms?

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Answers (2)
  1. 30 March, 01:05
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    To convert atoms to moles, we need Avogadro's number.

    1 mol = 6.02 x 10^23 atoms

    1.72 x 10^22 atoms (1 mol / 6.02 x 10^23) = 0.0286 moles
  2. 30 March, 01:49
    0
    1.72 x 1022 / 6.022x10^23 = 0.0286mol Cl
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