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Acids, bases and titration — Question 47

Original QCE Vault practice · 5 marks

Q47 · Practice questionComplex familiar5 marks

QUESTION 47 (5 marks)

The idealised conductometric curve shows 25.0 mL of hydrochloric acid titrated with 0.0500 mol L⁻¹ NaOH. Both branches intersect at 20.0 mL.Diagram for CHEM26-ORIG-047

a) Explain why conductivity initially falls. [2 marks]

b) Explain why it rises after the minimum. [1 marks]

c) Calculate the initial HCl concentration. [2 marks]

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