Q: How many oxygen atoms are in 2.00 grams of quartz?

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this my question: how many oxygen atoms are in 2.00 grams of quartz?, could members answer me please
2.00 g SiO2 ) * (1mol SiO2/60.1g)(2 mol O2/1 mol SiO2) ( 6.02*10^23 atoms / 1 mol o2) =4.01×10^22 ...

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