The [OH-] of an aqueous solution is 3.5 x 10-5. What is the [H+]?

The concentration of hydrogen ion in the given solution is .

Explanation:

pOH of a solution is the negative logarithm of concentration of hydroxide ions.

Hence, if is then its pOH value is calculated as follows.

Now, the relation between pH and pOH is as follows.

pH + pOH = 14

pH + 4.45 = 14

pH = 14 - 4.45

= 9.55

And, pH is the negative logarithm of concentration of hydrogen ions. Hence, is calculated as follows.

Thus, we can conclude that the concentration of hydrogen ion in the given solution is .

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