Answer Happy

Calculate
either [H3O+][H3O+] or [OH−][OH−] for each of
the solutions at 25 °C.25 °C.
Solution A: [OH−]=1.89×10−7 M; [H3O+]=Solution
A: [OH−]=1.89×10−7 M; [H3O+]= M
Solution B: [H3O+]=9.89×10−9 M; [OH−]=Solution
B: [H3O+]=9.89×10−9 M; [OH−]= M
Solution C: [H3O+]=7.19×10−4 M; [OH−]=M
Which of these solutions are basic at 25 °C?
Solution B: [H3O+]=9.89×10−9 MSolution
B: [H3O+]=9.89×10−9 M
Solution A: [OH−]=1.89×10−7 MSolution
A: [OH−]=1.89×10−7 M
Solution C: [H3O+]=7.19×10−4 M