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I'm not sure what you mean, but the H in H2O has hydrogen boding with the oxygen atoms within the molecule, if that helps answer at all. :/ For there to be hydrogen bonding, there needs to be either a nitrogen, oxygen, or fluorine atom with at least one lone pair bonding to a hydrogen. I hope that helps :)
For a hydrogen bond to occur, the hydrogen atom has to be bonded to two highly electronegative atoms. So, if we are looking at use one water molecule we cannot say that the bonds between the O and H are hydrogen bonds because there is only one highly electronegative atom. If we had 2 water molecules, however, the partial positive charge of the hydrogen atom would be attracted to the partial negative charge of the oxygen from the other water molecule. This would be an example of hydrogen bonding because the hydrogen atom is bonded to 2 highly electronegative atoms.
Also only highly electronegative atoms can form hydrogen bonds with hydrogen. These atoms are Nitrogen, Oxygen, and Flourine. I don't think CO can form a hydrogen bond with H2O because if you draw out the lewis structure for CO you will see that Carbon has a partial negative charge and oxygen has a partial positive charge. Because hydrogen from H2O already has a partial positive charge, the hydrogen won't be attracted to the positive oxygen and a hydrogen bond won't form.
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