Question

What is the relationship between the concentration of the hydronium and hydroxide ion and pH in any water solution?

Answer 1

The concentration of hydronium ions and the pH value is related by the equation: pH=-Log[H+]

Step-by-step explanation:

We have two different concepts pH and concentration of hydronium ions. Lets start with the hydronium ion.

An hydronium ion is a species that is produced by an acid:

`HA~->~H^+~+~A^-`

Aditionally, we can have the production of hydroxide ions. The subtances that have the capacity to produce this ions are called "bases":

`BOH~->~B^+~+~OH^-`

Now we can continue "pH"

The pH is a scale that indicates if the substance is and acid (higher concentration of
`H^+`), neutral (equal amounts of
`H+` and
`OH^-`) or basic (higher amount of
`OH^-`).

Finally, the "pH" is calculated with the concentration of the hydronium ions (

`H^+`), the letter "p" is "-Log", therefore:

`pH=-Log[H^+]`

I hope it helps!