Question

What is the molar concentration of hydronium ion in pure water at 25 degrees C?

Answer 1

`10^-7` `mol*L^-1`.

Explanation:

`K_"water"` `=` `[H_3O^+]xx[HO^-]=10^-14` at `298*K`

At temperatures above `298*K`, how do you think this equilibrium would evolve?