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Acids, bases and titration — Question 130

Original QCE Vault practice · 4 marks

Q130 · Practice questionComplex familiar4 marks

QUESTION 130 (4 marks)

At 25 °C, 20.0 mL of 0.0600 mol L⁻¹ HCl is mixed with 15.0 mL of 0.0500 mol L⁻¹ Ba(OH)₂. Assume complete dissociation and additive volumes.

(a) Determine which ion is in excess after neutralisation, and calculate its remaining amount. [2 marks]

(b) Calculate the pH of the mixture. [2 marks]

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