The number of oxygen atoms present in 32.4 g N₂O₅is ________.

Name: The number of oxygen atoms present in 32.4 g N 2 O 5 is ________.
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Quizplus · Accepted Answer

The molar mass of N2O5 is 108 g/mol. Therefore, 32.4 g of N2O5 is 0.3 moles. Since each molecule of N2O5 contains 5 oxygen atoms, the number of oxygen atoms is 0.3 moles × 5 × Avogadro's number (6.022 × 10^23), which equals 9.0 × 10^23 oxygen atoms.

The Number of Oxygen Atoms Present in 32