Question

The molecular formula of water is H, O. What does it express
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Answer 1

Answer:

Firstly, the molecular formula of water would be H2O. Secondly, it expresses the amount of different atoms in the water molecule. In this case, H2 would be two Hydrogen atoms, and O would be 1 Oxygen atom.

Explanation:

Hope this helped!

Answer 2

Answer:

It basically means that water contains 2 atoms of Hydrogen and 1 atom of Oxygen.

• It also expresses that the valency of Oxygen is 2 and water has more Hydrogen than Oxygen