Calculate either [H3O+] or [OH−] for each of the solutions at 25 °C. Solution A: [OH−]=1.35×10−7 M; [H3O+]= M Solution B

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Calculate either [H3O+] or [OH−] for each of the solutions at 25
°C.
Solution A: [OH−]=1.35×10−7 M; [H3O+]= M Solution
B: [H3O+]=8.89×10−9 M; [OH−]= M
Solution C: [H3O+]=7.63×10−4 M; [OH−]= M
Which of these solutions are basic at 25 °C?
Solution B: [H3O+]=8.89×10−9 M
Solution A: [OH−]=1.35×10−7 M
Solution C: [H3O+]=7.63×10−4 M