If #pH=7#, what are #[H_3O^+]#, and #[HO^-]#?

1 Answer
May 1, 2017

#[H_3O^+]=10^-7*mol*L^-1#.

Explanation:

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

And so if #pH=7#, then #[H_3O^+]=10^-7*mol*L^-1#.

See this site for another treatment of #pH#, and #pOH#.

What is #[HO^-]# in the given solution?