What is the hydronium ion concentration of a solution that has a pH of 8.57?

1 Answer
Jun 26, 2016

Answer:

#[H_3O^+]<10^-7*mol*L^-1#. The solution is assumed to be aqueous.

Explanation:

By definition, #pH# #=# #-log_10[H_3O^+]#

And thus #[H_3O^+]# #=# #10^(-8.57)*mol*L^-1# #=# #??*mol*L^-1#.

What is #[HO^-]# for this solution?