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8. What is the [H0] in a solution of 0.0005 M NaOH? 9. What is (OH] in a 0.00240 M solution of the strong

8. What is the [H0] in a solution of 0.0005 M NaOH? 9. What is (OH] in a 0.00240 M solution of the strong acid HBr? 10. A commercial window-cleaning liquid has a pH of 11.7. What is the hydroxide ion concentration? Is the solution acidic or basic?

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