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When chlorine (in any form) is added to water, a weak acid called Hypochlorous acid is produced. It is this acid, not the chlorine, which gives water its ability to oxidize and disinfect. Proper chlorination and filtration give pool water its clear, sparkling appearance. Chlorine exists as a solid, a liquid and a gas.
The pH scale describes the acidity of the solution: acidic, neutral, or basic A solution with a pH less than 7 is an acid, exactly 7 is a neutral solution, and above 7 is a base. Bases have less hydrogen ions but more hydroxide ions, represented by the pOH or “potential of hydroxide ions.”
pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base. pH is really a measure of the relative amount of free hydrogen and hydroxyl ions in the water. Water that has more free hydrogen ions is acidic, whereas water that has more free hydroxyl ions is basic.
(Solution w/ a pH of 2 & Solution w/ a pH of 4). Solution with a pH of 2 is more acidic than a solution w/ a pH of 4 & there are more Hydronium ions in the solution w/ pH of 2.
It describes how many hydrogen ions (protons) are present in a solution: the higher the pH, the lower the hydrogen ion concentration, and vice versa. But the scale does not have fixed limits, so it is indeed possible to have a pH above 14 or below zero.
One far end is not more than 1M of hydrogen ions, which results in a pH value of not more than 0. While on the other end is not more than 1M of hydroxide ions which results in a pH value of not more than 14. … The pH value goes out of the 0-14 range when the concentration of the solution exceeds 1M.
The H+ concentration of a pH 12 is 104 times greater than that of a pH of 8.
Hydronium & Hydroxide Ions
In an aqueous solution, the added H+ becomes attracted to the negative poles on another water molecule. This leaves an H2O molecule with an extra hydrogen atom, written as H3O, called a hydronium ion.
the oh- is greater than the h3o+ in
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