A sample of carbon dioxide contains 2.56 x 10-4 molecules. How many moles of carbon dioxide are present? b. How many moles of atoms are present?
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Answer:
The carbide chemical formula is C2-2. It shows that carbide is a negative ion. It carries two negative charges. Therefore, it is called a dianionic form of carbon.
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Explanation:
mole of CO2 molecules (we usually just say “a mole of CO2”) has one mole of carbon atoms and two moles of oxygen atoms. The atom ratio and the mole ratio of the elements are identical!
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