Determine the hydronium ion concentration of an aqueous solution that has a pH of 4.0

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Calculating the Hydroxide Ion Concentration from pOH

To calculate the pH of an aqueous solution you need to know the concentration of the hydronium ion in moles per liter ...

Calculating pH

Calculating hydronium ion ...

Calculating pOH

Calculating hydroxide ion ...

Calculating pKa

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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).

the correct answer is option d

explanation:

i was wrong its d because they dont use cm when calculating square roots

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i think? ?