tgdetwiler6614 tgdetwiler6614

16-02-2018
Chemistry

contestada

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

Respuesta :

jcherry99 jcherry99

19-02-2018

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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