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View Full Version : Positive Hydrogen Ion = Proton?


FeDeX_LaTeX
Apr7-10, 03:33 PM
Hello;

Is this statement true? A hydrogen positive ion would have no electrons, and pure hydrogen itself has no neutrons. Therefore, would it simply be a proton?

Thanks.

mathman
Apr7-10, 04:02 PM
Yes. Small complication - in water the proton is often attached to a water molecule, rather than by itself.

bp_psy
Apr7-10, 04:04 PM
Yes. When talking about Bronsted acids and bases one talks about proton donors and proton acceptors..

Borek
Apr7-10, 04:07 PM
Yes. Small complication - in water the proton is often attached to a water molecule, rather than by itself.

Note that this "attachement" is reatively weak. Protons are "jumping" between water molecules all the time. When compared with other compounds water molecules are "short living" - for example is you mix equimolar amounts of heavy water with normal water after few minutes you will have mixture containing H2O, HDO and D2O in 1:2:1 ratio.

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Superstring
Apr7-10, 09:55 PM
Yes, as long as the atom isn't deuterium or tritium.

mathman
Apr8-10, 04:16 PM
Note that this "attachement" is reatively weak. Protons are "jumping" between water molecules all the time. When compared with other compounds water molecules are "short living" - for example is you mix equimolar amounts of heavy water with normal water after few minutes you will have mixture containing H2O, HDO and D2O in 1:2:1 ratio.

--
chemical calculators (http://www.chembuddy.com) - buffer calculator (http://www.chembuddy.com/?left=Buffer-Maker&right=buffer-calculator), concentration calculator (http://www.chembuddy.com/?left=CASC&right=concentration_and_solution_calculator)
www.titrations.info (http://www.titrations.info) - all about titration (http://www.titrations.info) methods

What I meant by attach is to form H3O+

Borek
Apr8-10, 04:39 PM
I know, and you are right - but it doesn't change the general picture. All protons in H3O+ are equivalent, so they all can move between water molecules. That is assuming H3O+ exists, as larger conglomerates has been suggested (and observed) as well.

Water is very dynamic, in a way much more than other liquids, as it is not just a matter of separate molecules bouncing each other, but also exchange of protons.

--
chemical calculators (http://www.chembuddy.com) - buffer calculator (http://www.chembuddy.com/?left=Buffer-Maker&right=buffer-calculator), concentration calculator (http://www.chembuddy.com/?left=CASC&right=concentration_and_solution_calculator)
www.titrations.info (http://www.titrations.info) - all about titration (http://www.titrations.info) methods