A sample of carbon dioxide gas contains #6*10^22# molecules. How many moles of carbon dioxide does this represent?

1 Answer
Meave60
Oct 28, 2016

The answer is #"0.1000 mol CO"_2"#.

Explanation:

#"1 mol CO"_2=6.022xx10^(23) "molecules CO"_2"#

Use the equality above to determine the moles of carbon dioxide as shown below.

#6.022xx10^22 cancel"molecules CO"_2xx(1 "mol CO"_2)/(6.022xx10^23 cancel"molecules CO"_2)="0.1000 mol CO"_2"# rounded to four significant figures

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