Communication (10 marks) 4. The titration curve shown below was obtained by a student during a laboratory investigation.

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Communication 10 Marks 4 The Titration Curve Shown Below Was Obtained By A Student During A Laboratory Investigation 1 (36.1 KiB) Viewed 43 times

Communication (10 marks) 4. The titration curve shown below was obtained by a student during a laboratory investigation. a) Identify each of the solutions as being a strong or weak acid or base. (1 mark) 12 Solution A: 10 Solution B: b) Place a dot on the curve to mark the equivalence point and an X on the curve to mark halfway point. (1 mark) c) If the concentration of the acid is the same as the base, what is the volume of solution B in the Erlenmeyer flask? (1 mark) d) Which of the following acid-base indicators is/are suitable to mark the titration endpoint? Explain. methyl red; phenolphthalein; alizarin yellow (1 mark) Hd B 30 Volume of acid added (mL.)