Like a equilibrium constants, the values of Kw depends on temperature. At body temperature (37 C), Kw= 2.4 x 10^-14.

Question

What are the [H3O+] and pH of pure water at body temperature?

Answer 1

sqrt(2.4E-14)= 1.55E-7
which is the (H3O+) concentration
pH=-log above=6.84