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How many moles are 1.2x1025 molecules of NO2?
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How many moles are 1.2x1025 molecules of NO2?

User Dave Loukola
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It would be around 19.9 or 20. To get this you use Avogadro's number, 6.022x10^23, and divide the amount of molecules by this number, getting your amount of moles. 
User Tjorchrt
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