Chemistry

Hello, i seem to be stuck on a problem and do'nt know why im not gettin the right answer.I have the he Ka and Kb values for each of the weak acids and bases from the chart and I keep getting zero and the second one 2.27*10^-24 is this correct?? Thank uu

Solve an equilibrium problem (using an ICE table) to calculate the of each of the following. a solution that is 0.175M in HC2H3O2 and 0.120M in KC2H3O2.

as well as a solution that is 0.195M in CH3NH2 and 0.110 CH3NH3BR in

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