-lg[H+]=1.5
which means that [H+]=0.03M
pOH=14-pH=14-1.5=12.5
the hydroxide ion concentration. is 12.5.
How do you find hydronium ion concentration when given pH?
The hydronium ion concentration can be found from the pH by the reverse of the mathematical operation employed to find the pH. [H3O+] = 10-pH or [H3O+] = antilog (- pH) Example: What is the hydronium ion concentration in a solution that has a pH of 8.34? On a calculator, calculate 10-8.34, or "inverse" log ( - 8.34).
What is the pH of a solution that has a hydronium ion concentration of 0.025 M?
For a 0.025 M HCl solution the concentration of the hydrogen ions, [H+] , is 0.025 moles/liter (i.e. 0.025 M). pH is defined as −log[H+] . Substituting 0.025 into the equation for pH we find that the 0.025 M HCl solution has a pH of -log(0.025) = 1.60.
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