Calculate either [H3O+] or [OH-] for each of the solutions at 25 °C.
Solution A: [OH-] = 1.29 x 10^-7 M
Solution A: [H3O+] =
Solution B: [H3O+] = 9.85 x 10^-9 M
Solution B: [OH-] =
Solution C: [H3O+] = 0.000707 M
Solution C: [OH-] =
Which of these solutions are basic at 25 °C?
Solution B: [H3O+] = 9.85 x 10^-9 M
Solution A: [OH-] = 1.29 x 10^-7 M
Solution C: [H3O+] = 0.000707 M