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9 August, 23:09

How many atoms are in 3.45 moles of Calcium?

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  1. 10 August, 02:36
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    Hi there!

    The correct answer to this question is: 2.08 x 10^24 atoms

    Explanation:

    In this case atoms are the same thing as molecules.

    In one mole there are 6.022x10^23 molecules of an element.

    So 6.022x10^23 * 2.08x10^24 is 2.08x10^24
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