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1. A 20.0-mL sample of 0.200 M HBr solution is titrated with 0.200 M NaOH solution.Calculate the pH of the solution after the following volumes of base have been added:(a) 15.0 mL, (b) 19.9 mL, (c) 20.0 mL, (d) 20.1 mL, (e) 35.0 mL. Draw the pH curve.(10) 2. A 50.0 mL sample of 0.100 mol/L hypochlorous acid, HClO(aq) is titrated with 0.200 mol/L potassium hydroxide solution, KOH(aq). Draw the pH curve for this titration given the listed volumes of added base: (Ka = 2.8 x 10-8 ) a. 0.0 mL b. 10.0 mLc. 25.0 mL d. 30.0 mL. (10)

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