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Acids, bases and titration — Question 40

Original QCE Vault practice · 4 marks

Q40 · Practice questionComplex familiar4 marks

QUESTION 40 (4 marks)

A 0.080 mol L⁻¹ solution of a weak monoprotic acid has pH 3.00 at 25∘C.

a) Calculate the hydrogen-ion concentration and percentage ionisation. [2 marks]

b) Calculate the acid dissociation constant without assuming the initial acid concentration equals its equilibrium concentration. [2 marks]

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