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14 January, 22:22

How many moles are in a sample of 4.57 x 10^24 atoms of neon (Ne) ?

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  1. 14 January, 23:57
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    Hello!

    To find the number of moles in a sample of 4.57 x 10^24 atoms, we need to use Avogadro's number, which is 1 mole = 6.02 x 10^23.

    To find how many moles, we divide the given sample by Avogadro's number.

    (4.57 x 10^24) / (6.02 x 10^23) ≈ 7.59136

    Using the amount of significant figures given (3), the answer is 7.59 moles of neon (Ne).
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