Answer :
Final answer:
The number of moles of oxygen atoms in 1.69 x 10^29 molecules of carbon dioxide is 3.38 x 10^29.
Explanation:
The molecular formula of carbon dioxide is CO2. It consists of one carbon atom and two oxygen atoms. To determine the number of moles of oxygen atoms in 1.69 x 10^29 molecules of carbon dioxide, we need to multiply the number of molecules by the ratio of oxygen atoms to carbon dioxide molecules.
For every molecule of carbon dioxide, there are 2 oxygen atoms. Therefore, the number of moles of oxygen atoms can be calculated as:
(1.69 x 10^29 molecules CO2) x (2 atoms O2 / 1 molecule CO2) = 3.38 x 10^29
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