Calculate the mass of 12.044*10^23 oxygen atom?
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of atoms/Avogadro constant = 12.044 × 1023/6.022 × 1023 = 2 mole Mass of carbon atoms = No. of moles × atomic mass = 2 × 12 = 24 g. Question 3. Calculate the number of oxygen atoms in 1 mole of O2.
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