HCl + H2O -> H3O+ + Cl-
[HCl] initial = 7.4x10^-8
I thought H3O+ would be 1x10^-7 because [OH-] and [H+] should be in equilibrium / equal so Kw = 1 x 10^-14 = [H+]^2 => [H+] = 1x10^-7
I did the ICE box, solved for x, took -log of it, and ended up with a pH of 7.13
it doesn't make sense...