Question

How many hydrogen atoms are present in 9 moles of H₂O?

Answer 1

Answer:

1 mole of water-18g

So, 9g water =0.5mole

1mole water contains 2*6.022 x 10^23 Hydrogen atoms

0.5 mole will contain (2*6.022*10^23) x 0.5-6.022 x 10^23 atoms(ans)

Explanation:

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