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23 February, 02:45

How many atoms are in 12 grams of NaOH

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  1. 23 February, 02:47
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    There are 5.4 * 10^23 atoms in 12 g NaOH.

    Step 1. Convert grams of NaOH to moles of NaOH

    Moles of NaOH = 12 g NaOH * (1 mol NaOH / 40.00 g NaOH)

    = 0.300 mol NaOH

    Step 2. Convert moles of NaOH to formula units (FU) of NaOH

    FU of NaOH = 0.300 mol NaOH * (6.022 * 10^23 Fu NaOH/1 mol NaOH)

    = 1.81 * 10^23 FU NaOH

    Step 3. Convert FU of NaOH to atoms

    1.81 * 10^23 FU NaOH * (3 atoms/1 FU NaOH) = 5.4 * 10^23 atoms
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