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Acids, bases and titration — Question 1

QCAA 2024, Paper 2 · 3 marks

Q1 · 2024 · Paper 2Unclassified3 marks

QUESTION 1 (3 marks)

A 30.00 mL aliquot of aqueous hydrochloric acid (HCl) with a pH of 2.00 was diluted with 2970.00 mL of water to make up a final volume of 3.00 L of aqueous HCl solution.

a) Determine the concentration of hydrogen ions in the original 30.00 mL aliquot of HCl(aq).

[1 mark]

b) Calculate the pH of the final 3.00 L solution of HCl(aq). Show your working.

[2 marks]

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