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Chemistry
What are the number of moles of CO2 which contains 16 g of oxygen?
0.5 mole
0.2 mole
0.4 mole
0.25 mole
Correct Answer:
0.5 mole
Explanation:
One mole of CO2 has mass of 44 g and 32 g of O2. So 16 g of O2 have 22 g of CO2 or 0.5 moles of it.
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