How do you find h30 from pH?

1.	How do you find h30 from pH?
Answer» 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).

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