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11 July, 09:39

How many moles of silicon, si, are in 1.75 * 1024 si atoms?

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  1. 11 July, 12:08
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    1 mol of anything has 6.02*10^23 items in it.

    x mol has 1,75 * 10^24 items (in this case Si atoms.)

    1/x = 6.02*10^23/1.75 * 10^24

    x = 1.75 * 10^24 / 6.02*10^23

    x = 2.91 mols Si
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