if Ph=7. what is the concentration of h+ ion?
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H+]=10-7 , which we call a pH of 7.
In the same way, a solution with a pH of 5 contains 10-5mol/l of hydrogen ions, a solution with a pH of 6 contains 10-6mol/l of hydrogen ions, while the solution with a pH of 7 contains 10-7mol/l of hydrogen ions.
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