Fill out the missing parameters in the following table!

$\backslash$table$[[pH,H^{+},O{H}^{-},$acid or base?$],[11\mathrm{.}25,,,],[,{4\mathrm{.}4}^{**}{10}^{-4}M,,],[,,{8\mathrm{.}5}^{**}{10}^{-3}M,]]$

Calculate the $pH$ values of the following concentrations of strong acids:

a$)0\mathrm{.}00135MHN{O}_3$

b$)0\mathrm{.}425gHCl{O}_4$ in $2\mathrm{.}00L$ solution

c$)50mL0\mathrm{.}02MHCl$ mixed with $150mL0\mathrm{.}01$MHI