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18 November, 09:05

How many grams do 5.3•10^26 atoms of sodium weigh

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  1. 18 November, 10:57
    0
    20233.4 g

    Explanation:

    First, determine the moles by dividing the number of atoms by Avagadro's number.

    n = (5.3 * 10^26) / (6.022 * 10^23)

    n = 880.106276984

    Now determine the mass by multiplying the number of moles by the molecular mass of sodium

    m = n * MM

    m=880.106276984 * 22.989769

    m = 20233.4400033

    m = 20233.4 g
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