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The formula of water molecule isH2O. Wha...

The formula of water molecule is`H_2O`. What information do you get from this formula?

Text Solution

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1) Water is a combination of hydrogen and oxygen.
2)Two hydrogen atoms and one oxygen atom combine to form one water molecule .
3)Molecular weight of water molecule is 18.
(Hydrogen 1, Oxygen 16. `H_2O` = 2`times` 1+ 16 = 18)
4) 18 g of water molecule contains 6.022 `times 10^(23)` particles in it.
5) Valency of hydrogen is 1 and oxygen is 2.
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