Question

18 g of water contain
O (A) 1 g atom of hydrogen
O (B) 2 g atoms of hydrogen
(C) 3 g atoms of hydrogen
O (D) None of the above​

Answer 1

Answer:

Water has a molar mass of 18.01528 g/mol≈18 g/mol . Since water has a chemical formula of H2O , there will be 2 moles of hydrogen in every mole of water. In one mole of water, there will exist approximately 6.02⋅1023 water molecules. So, there will be a total of 6.02⋅1023⋅2≈1.2⋅1024 hydrogen atoms.

Explanation:

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it is 2 mole of hydrogen ans

Answer 2

Answer:

2 g atom of hydrogen .........