If 20.5 mL of 8.2 ✕ 10-3 M HBr is added to 13.0 mL of 2.0...

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Question

If 20.5 mL of 8.2 ✕ 10-3 M HBr is added to 13.0 mL of 2.0 ✕ 10-4 M KOH, what is the pH of the solution?

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