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54.
1 mole of carbon and 2 moles of oxygen combined to form a compound. For every one atom of carbon there are two atoms of oxygen. The formula could be CO2.
1 mole of carbon and 2 moles of oxygen combined to form a compound. For every one atom of carbon there are two atoms of oxygen. The formula could be CO2.
there are two, you can tell how many molecules there are by the number after the letter