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How many moles does a sample of CO2 that contains 8.16x1022 O atoms?
Wiki User
∙ 12y ago
if you mean 10^22 O atoms, then this is how you do it:
(8.16X10^22)/2=4.08X10^22
so there are 4.08X10^22 molecules, divided by 6.022X10^23(1 mole) is
.06775, so there are that many moles of CO2. If you wanted to know how many moles of overall atoms there were, there's 4.08X10^22 molecules, 1 C in each so 4.08X10^22 C, and 8.16X10^22 O=1.224X10^23, and that's how many atoms, so that divided by 1 mole is (most accurate answer i can get you) .2032547326 moles of atoms
so
.2032547326 moles of atoms
or
.06775 moles of molecules/CO2
Wiki User
∙ 12y ago
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