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29 July, 07:15

3. How many molecules of carbon dioxide are contained in a 1.65 mole sample of carbon

dioxide?

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Answers (1)
  1. 29 July, 08:27
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    Answer: 9.93 x 10^23 atoms

    Explanation:

    Based on Avogadro's law:

    1 mole of any substance has 6.02 x 10^23 atoms

    So, 1 mole of carbon dioxide = 6.02 x 10^23 atoms

    1.65 moles = Z atoms

    To get the value of Z, cross multiply:

    Z atoms x 1mole = (6.02 x 10^23 x 1.65)

    Z = 9.93 x 10^23 atoms

    Thus, there are 9.93 x 10^23 atoms of carbon dioxide.
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