How many oxygen atoms in an 8 mole quantity of carbon dioxide?

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How many oxygen atoms in an 8 mole quantity of carbon dioxide?

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Answer 1 · 2017-08-28T16:46:49

There are $24 \cdot m o l$ $24*mol$ of atoms in $8 \cdot m o l$ $8*mol$ of $C O_{2}$ $CO_2$ ....

Explanation:

Before we do this in detail, let us suppose that the question asked.... $find the number of atoms in 8 DOZEN molecules of$ $"find the number of atoms in 8 DOZEN molecules of"$ $C O_{2}$ $CO_2$ .

And thus, there are $3 \cdot atoms$ $3*"atoms"$ $\cdot {molecule}^{- 1}$ $*"molecule"^-1$ $\times 8 \times 12$ $xx8xx12$ $molecules$ $"molecules"$

$= 3 \times 8 \times 12 = 288 \cdot atoms$ $=3xx8xx12=288*"atoms"$

The question asked here is ENTIRELY ANALOGOUS EXCEPT that instead of $dozens$ $"dozens"$ we use $moles$ $"moles"$ where $1 \cdot mole of stuff$ $1*"mole of stuff"$ $\equiv$ $-=$ $6.022 \times 10^{23} \cdot individual items of stuff$ $6.022xx10^23*"individual items of stuff"$ .

And thus there are $8 \times 6.022 \times 10^{23} \cdot atoms$ $8xx6.022xx10^23*"atoms"$

$≅ 48 \times 10^{23} \cdot atoms$ $~=48xx10^23*"atoms"$

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How many oxygen atoms in an 8 mole quantity of carbon dioxide?

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