3.00 mol of carbon dioxide is equal to how many atoms?

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Answer 1 · 2016-11-12T02:26:44

There are $5.418 * 10^24$ atoms in 3 moles of Carbon Dioxide

1 Mole is $6.02*10^23$ molecules

Therefore 3 Moles of Carbon Dioxide $CO_2$ $= 3(6.02*10^23)$ or $18.06*10^23$ molecules of $CO_2$

There is one atom of Carbon and two atoms of Oxygen in each molecule of Carbon Dioxide $CO_2$

Therefore there are three atoms in each molecule.

$(3$ atoms) $18.06*10^23$ molecules $= 54.18 * 10^23$ atoms

or

$5.418 * 10^24$ atoms