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anonymous

  • one year ago

Determine number of oxygen atoms in 5.33 g of quartz. Quartz is SiO2... I just need some guidance.

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  1. anonymous
    • one year ago
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    first you should find the molar mass of SiO2 (It is 60 gr/mol) then use this formula: mol=mass/molar mass mol=5.33/60=0.088 every mol is about 6/022 *10^23 atoms and SiO2 has two oxygen atoms so ....

  2. anonymous
    • one year ago
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    ok. Give me a sec. I'll try

  3. anonymous
    • one year ago
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    i got 4.416x10^22 atoms of Oxygen?

  4. anonymous
    • one year ago
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    thanks :)

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