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Acids, bases and titration — Question 45

Original QCE Vault practice · 5 marks

Q45 · Practice questionComplex familiar5 marks

QUESTION 45 (5 marks)

A solid sample of anhydrous sodium carbonate of mass 1.325 g is dissolved and made up to 250.0 mL. A 25.00 mL aliquot requires 24.60 mL HCl for complete neutralisation. Use M(Na2CO3)=106.0 gmol−1.

a) Write the complete neutralisation equation. [1 marks]

b) Calculate the HCl concentration. [4 marks]

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