how many atom are in 16gram of oxygen
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Vanshu1034:
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Molar mass of oxygen is 32g
Thus, 32 g Oxygen ≡ 1 mole oxygen ≡ Nₐ no. of oxygen molecules
Again, 1 oxygen molecules is male of 2 oxygen atoms
So 32 g Oxygen ≡ 2 × Nₐ no. of oxygen atoms
⇒ 16 g Oxygen ≡ Nₐ no. of oxygen atoms
∴ There are 6.022 × 10²³ oxygen atoms in 16 g oxygen
Thus, 32 g Oxygen ≡ 1 mole oxygen ≡ Nₐ no. of oxygen molecules
Again, 1 oxygen molecules is male of 2 oxygen atoms
So 32 g Oxygen ≡ 2 × Nₐ no. of oxygen atoms
⇒ 16 g Oxygen ≡ Nₐ no. of oxygen atoms
∴ There are 6.022 × 10²³ oxygen atoms in 16 g oxygen
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