Question

how many atoms does 18 gram of h2o ​

Answer 1

Answer:

Therefore, there will be 6.022×1023 oxygen atoms in 1 mole, or 18 g of water.

Explanation:

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Answer 2

Answer:

Now, 1 molecule of water contains 2 atoms of hydrogen and 1 atom of oxygen i.e. 3 atoms. Therefore 6.023 × 10²³ molecules contain 6.023 × 10²³ × 3 = 1.8069 × 10²⁴ atoms. Therefore 18 gm of water contains 1.8069 × 10²⁴ atoms.

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