Assume that you are titrating $50$ml of $0\mathrm{.}025$M acetic acid $,$ Ka$=1\mathrm{.}8$x$10^-5$ with standard NaoH. Calculate the PH of solution during titrating as the points $($toatal volume of NaOH delivered$)$ listed below: $0$ml$,10$ml$,25$ml$,50$ml$,60$ml$,80$ml$.$