Question

O2 no of molecules and total no of atoms ?​

Answer 1

The atomic mass of Copper is 63.55 atomic mass units. If chemists want to speak about incredibly small atoms and molecules, an amount far greater than a dozen is needed. A mole is Avogadro's number of items: 6.022 × 1023.

Answer 2

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• O2 no of molecules and total no of atoms ?

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1 molecule of O2 = 2 oxygen atoms So, 1 mole of O2 = 2 mole oxygen atoms = 2 × 6.022 × 1023 = 12.044 ×1023 oxygen atoms.

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