Question

How many atoms are in 16 gram of O

Answer 1

Answer:

Explanation:

1 mole of any molecule contains 6.022 * 10^23 molecules

32 gm of oxygen = 1 mole

Therefore, 16 gm of oxygen = 0.5 mole

Hence, 0.5 moles of molecules of oxygen contains 0.5 * 2 * 6.022 * 10^23 atoms

(1 molecule of oxygen contains 2 atoms)

Total no. of atoms in 16 gm of oxygen

= 6.022 * 10^23

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