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

1 Answer
anor277
Aug 28, 2017

There are 24*mol of atoms in 8*mol of 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" CO_2.

And thus, there are 3*"atoms"*"molecule"^-1 xx8xx12 "molecules"

=3xx8xx12=288*"atoms"

The question asked here is ENTIRELY ANALOGOUS EXCEPT that instead of "dozens" we use "moles" where 1*"mole of stuff" -= 6.022xx10^23*"individual items of stuff".

And thus there are 8xx6.022xx10^23*"atoms"

~=48xx10^23*"atoms"

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