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9) The mole (Avogadro number N) is defined as the number of atoms in exactly 12 grams of 2C, calculate the: a) number of

9) The mole (Avogadro number N) is defined as the number of atoms in exactly 12 grams of 2C, calculate the: a) number of atoms in 2 g of C b) number of atoms in 5 g of C

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