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9 April, 08:40

How many atoms exist in 100.0 grams of Lithium

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  1. 9 April, 10:26
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    Answer: 8.6 x 10^24 atoms

    Explanation:

    To calculate the no. of moles in 100g of Li

    No. of moles = mass / atomic mass

    = 100/7

    = 14.29moles

    1mole = 6.02 x 10^23

    14.29moles = 14.29 x 6.02 x 10^23

    = 8.6 x 10^24 atoms
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