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12 September, 01:50

How many atoms are in 8.1 moles of oxygen? And how do you know?

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  1. 12 September, 02:15
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    4.88 x 10²⁴atoms

    Explanation:

    Given parameters:

    Number of moles of oxygen = 8.1moles

    Problem:

    To find the number of atoms in 8.1moles of oxygen.

    Method in solving the problem:

    We know that a mole of a substance contains Avogadro's number of particles which is 6.02 x 10²³

    The particles can be molecules, atoms, etc.

    Solution:

    From the concept of mole,

    Number of atoms =

    number of moles x 6.02 x 10²³

    Number of atoms = 8.1 x 6.02 x 10²³

    Number of

    atoms of oxygen = 48.8 x 10²³ atoms

    = 4.88 x 10²⁴atoms
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